A beautifully prepared seafood dinner can feel elegant without demanding complicated techniques or an entire evening in the kitchen. This Pistachio-Crusted Baked Cod with Lemon-Dill Yogurt is a perfect example.

Thick cod fillets are brushed with Dijon mustard and topped with a savory mixture of chopped pistachios, whole-grain breadcrumbs, lemon zest, garlic, and herbs. As the fish bakes, the pistachio topping becomes golden and crisp while the cod underneath remains moist, tender, and flaky.

A cool lemon-dill yogurt sauce adds brightness and creaminess without relying on mayonnaise or heavy cream. Roasted asparagus cooks beside the fish, creating a colorful and satisfying dinner with minimal cleanup.

The finished meal offers several appealing contrasts. The cod is delicate, the pistachio crust is crunchy, the asparagus is lightly caramelized, and the yogurt sauce is cool and tangy. Fresh lemon and dill connect all the different elements and keep the meal tasting lively rather than heavy.

Whether you are looking for a new way to prepare fish, a lighter alternative to fried seafood, or a dinner impressive enough to serve guests, this healthy baked cod recipe deserves a place on your menu.

What Makes This Baked Cod Special?

Cod has a mild flavor and firm, flaky texture that works with many different seasonings. Instead of covering it with a heavy batter or rich sauce, this recipe uses a thin pistachio crust to provide flavor, texture, and visual appeal.

Pistachios contribute a naturally buttery flavor and satisfying crunch. Their green color also gives the crust a beautiful appearance, especially when combined with fresh herbs and golden breadcrumbs.

Dijon mustard serves two purposes. It adds subtle tanginess and helps the pistachio mixture stick to the fish. You do not need enough mustard to overpower the cod. A thin layer is all that is required.

The lemon-dill yogurt is equally important. Plain Greek yogurt creates a thick, creamy sauce, while lemon juice, zest, garlic, and dill make it fresh and flavorful. Because the fish and crust are served warm, the cool sauce creates an especially enjoyable contrast.

Roasted asparagus rounds out the meal. It can cook on the same sheet pan as the fish, reducing cleanup and making the recipe practical for an ordinary weeknight.

Why You’ll Love Pistachio-Crusted Cod

There are plenty of reasons to try this healthy cod dinner:

• The fish is baked rather than deep-fried.
• The pistachio crust provides crunch with a relatively small amount of oil.
• Greek yogurt creates a creamy sauce without mayonnaise.
• The recipe includes a vegetable on the same sheet pan.
• Preparation requires only about 20 minutes.
• The mild fish works well for people who do not enjoy strongly flavored seafood.
• The recipe can be adapted for gluten-free and dairy-free diets.
• The presentation is attractive enough for a special dinner.
• The ingredients are easy to find in most supermarkets.
• Leftovers can be turned into salads, wraps, or grain bowls.

This is the kind of meal that feels polished while remaining straightforward. Once the ingredients are prepared, the oven does most of the work.

Practical Recipe Details

Preparation time: 20 minutes
Cooking time: 15 to 20 minutes
Total time: Approximately 40 minutes
Servings: 4
Cooking method: Oven-baked
Oven temperature: 425°F
Recommended fish temperature: 145°F at the thickest point

Helpful Equipment

• Large rimmed sheet pan
• Parchment paper
• Paper towels
• Cutting board
• Sharp knife
• Small mixing bowl
• Medium mixing bowl
• Microplane or fine grater
• Measuring cups and spoons
• Instant-read food thermometer
• Thin spatula

An instant-read thermometer is especially helpful when preparing fish. Cod can move quickly from moist and flaky to dry, so temperature is often a more reliable guide than cooking time alone.

Ingredients

For the Pistachio-Crusted Cod

• 4 cod fillets, approximately 5 to 6 ounces each
• 1/2 cup shelled unsalted pistachios
• 1/3 cup whole-wheat panko breadcrumbs
• 2 tablespoons chopped fresh parsley
• 1 teaspoon finely grated lemon zest
• 1/2 teaspoon garlic powder
• 1/2 teaspoon smoked paprika
• 1/4 teaspoon ground black pepper
• 1/4 teaspoon salt
• 1 tablespoon extra-virgin olive oil
• 2 tablespoons Dijon mustard

For the Roasted Asparagus

• 1 pound fresh asparagus
• 2 teaspoons extra-virgin olive oil
• 1/4 teaspoon garlic powder
• 1/4 teaspoon ground black pepper
• Small pinch of salt

For the Lemon-Dill Yogurt

• 3/4 cup plain Greek yogurt
• 2 tablespoons chopped fresh dill
• 1 tablespoon fresh lemon juice
• 1 teaspoon finely grated lemon zest
• 1 small garlic clove, finely grated or minced
• 1 teaspoon extra-virgin olive oil
• 1 to 2 teaspoons water, as needed
• 1/8 teaspoon ground black pepper
• Small pinch of salt

For Serving

• Lemon wedges
• Fresh dill
• Chopped pistachios, optional
• Additional black pepper, optional

How to Make Pistachio-Crusted Baked Cod

Step 1: Preheat the Oven

Preheat your oven to 425°F.

Line a large rimmed sheet pan with parchment paper. Parchment helps prevent the cod from sticking and keeps the pistachio crust from becoming attached to the pan.

Position an oven rack near the center of the oven. Placing the pan too close to the heating element may cause the nuts to brown before the fish is fully cooked.

Step 2: Prepare the Asparagus

Wash the asparagus and dry it thoroughly.

Hold one asparagus spear near each end and gently bend it until the woody bottom breaks away. Use that spear as a guide for trimming the remaining asparagus.

Arrange the spears on one side of the prepared sheet pan. Drizzle them with olive oil and sprinkle with garlic powder, black pepper, and a small pinch of salt.

Toss until the asparagus is lightly coated, then spread the spears into a single layer.

Place the asparagus in the oven and roast it for 5 minutes while you prepare the cod. Giving the asparagus this short head start helps it become tender at approximately the same time as the fish.

Very thin asparagus may not need the extra time. If your spears are especially slender, add them to the sheet pan at the same time as the cod.

Step 3: Dry the Cod

Remove the cod from its packaging and pat every surface dry with paper towels.

This step is easy to overlook, but it makes a significant difference. Excess moisture can make the surface watery and prevent the Dijon mustard and pistachio topping from adhering properly.

Check the fillets for pin bones by gently running your fingers across the surface. Remove any bones with clean kitchen tweezers.

Try to use fillets that are similar in thickness. If one piece is noticeably thinner, it may finish cooking several minutes before the others.

Step 4: Make the Pistachio Crust

Finely chop the pistachios with a sharp knife. You want a mixture of small crumbs and slightly larger pieces.

Avoid turning the nuts into a fine powder. The different-sized pieces create the crust’s appealing texture.

Place the chopped pistachios in a medium bowl. Add the whole-wheat panko, parsley, lemon zest, garlic powder, smoked paprika, black pepper, salt, and olive oil.

Mix everything together until the crumbs and pistachios are lightly coated with oil.

The finished mixture should feel slightly moist but not greasy. It should hold together loosely when pressed between your fingers.

Step 5: Add the Dijon Mustard

Remove the sheet pan from the oven and carefully place the cod fillets on the open side. Leave some room between the fillets and asparagus so everything roasts instead of steaming.

Brush approximately 1 1/2 teaspoons of Dijon mustard over the top of each cod fillet.

Keep the layer relatively thin and even. The mustard should cover the upper surface without dripping down the sides.

Step 6: Apply the Pistachio Topping

Divide the pistachio mixture evenly among the four cod fillets.

Use the back of a spoon or your fingertips to gently press the topping into the Dijon. Some loose crumbs may fall onto the pan, but most of the mixture should remain attached to the fish.

Aim for an even crust rather than an extremely thick mound. A crust that is too thick may brown unevenly or fall away when the fish is served.

Step 7: Bake the Cod

Return the sheet pan to the oven.

Bake the fish and asparagus for approximately 10 to 15 minutes. The exact time will depend on the thickness of the cod.

Begin checking thinner fillets after 10 minutes. The fish is ready when it appears opaque, separates easily into moist flakes, and reaches 145°F in the thickest portion.

Insert the thermometer through the side of the fillet so you can measure the center without disturbing the pistachio crust.

If the fish needs additional cooking but the crust is becoming too dark, loosely place a small piece of aluminum foil over the top.

Remove individual fillets as they finish. You do not need to overcook the thinner portions while waiting for a thicker piece.

Step 8: Prepare the Lemon-Dill Yogurt

While the cod bakes, combine the Greek yogurt, fresh dill, lemon juice, lemon zest, garlic, olive oil, black pepper, and salt in a small bowl.

Stir until smooth.

If the sauce is thicker than you prefer, add water one teaspoon at a time. It should be creamy enough to spoon onto a plate while remaining thick enough to hold its shape.

Taste and adjust the ingredients. Add more lemon juice for acidity, dill for herbal flavor, or black pepper for a slightly stronger finish.

Keep the sauce refrigerated until you are ready to serve.

Step 9: Rest and Serve

When the fish is completely cooked, remove the sheet pan from the oven and let the cod rest for 2 to 3 minutes.

This short resting period allows the fish to settle and makes it easier to transfer without breaking.

Spread or spoon some lemon-dill yogurt onto each plate. Place a pistachio-crusted cod fillet beside or partially over the sauce. Add roasted asparagus and a fresh lemon wedge.

Finish with fresh dill, additional black pepper, or a small sprinkle of chopped pistachios if desired.

How to Keep Baked Cod Moist

Cod is lean and naturally delicate. It becomes beautifully flaky when cooked correctly, but it can dry out if left in the oven too long.

Several simple techniques will help you achieve better results.

Choose Thick Fillets

Thicker center-cut fillets generally cook more evenly than thin tail pieces. They are also less likely to become dry before the crust has browned.

If your package contains different sizes, arrange the thinner fillets toward the cooler edges of the sheet pan.

Pat the Fish Dry

A dry surface allows the mustard and pistachio mixture to adhere while preventing excess liquid from collecting around the fish.

Drying also helps the edges of the cod develop a better texture.

Use Temperature as Your Guide

Cooking times are always estimates. The thickness of the fish, its starting temperature, and the accuracy of your oven can all affect the total time.

An instant-read thermometer takes away much of the guesswork. Check the center of the thickest fillet and remove the fish when it reaches 145°F.

Do Not Wait for the Fish to Become Firm

Properly cooked cod should separate into flakes, but it should not feel hard or rubbery. If the fish has become very firm, it has probably cooked longer than necessary.

Serve It Promptly

Fish continues to cook slightly after leaving the oven. Have the sauce, plates, and side dishes ready so you can serve the cod after its brief rest.

Tips for the Best Pistachio Crust

Use unsalted pistachios when possible. Salted nuts can work, but you should omit or significantly reduce the additional salt in the crust.

Chop the pistachios rather than processing them into a completely fine meal. Visible pieces provide a more satisfying crunch.

Mix the olive oil through the topping evenly. Dry crumbs may not brown properly, while too much oil can make the crust heavy.

Press the topping gently into the Dijon mustard. You want it attached without compressing it into a dense layer.

Keep an eye on the cod during the final few minutes. Pistachios can change from golden to overly dark quickly at a high oven temperature.

Choosing and Thawing Cod

Fresh and frozen cod can both work well in this recipe.

Fresh cod should have a clean appearance, firm texture, and mild scent. Avoid fillets with excessive liquid or a strong fishy odor.

Frozen cod is a convenient option and can often be less expensive. Thaw it overnight in the refrigerator, keeping it in a covered container to catch any liquid.

For faster thawing, place the sealed fish in a bowl of cold water. Change the water regularly until the fish has softened. Do not thaw fish at room temperature or in warm water.

Once thawed, remove the cod from its packaging and dry it thoroughly before adding the mustard and crust.

Substitutions and Variations

Use Another White Fish

Haddock, halibut, pollock, or thick tilapia fillets can replace the cod.

Cooking time will vary based on thickness. Halibut may require slightly longer, while thin tilapia can cook considerably faster.

Make It Gluten-Free

Replace the whole-wheat panko with certified gluten-free breadcrumbs.

You can also omit the breadcrumbs and use additional finely chopped pistachios. A nut-only crust will be slightly denser but still flavorful.

Replace the Pistachios

Finely chopped almonds, walnuts, or pecans can work in place of pistachios.

For a nut-free version, try roasted pumpkin seeds. Chop them finely and combine them with the breadcrumbs, herbs, lemon zest, and seasonings.

Make the Sauce Dairy-Free

Use a thick, unsweetened dairy-free yogurt.

Select a plain variety without vanilla or added sugar. Depending on the yogurt’s consistency, you may not need the additional water.

Change the Herbs

Fresh parsley, chives, basil, or tarragon can replace some or all of the dill.

Tarragon has a distinctive flavor, so begin with a smaller quantity and add more after tasting the sauce.

Add More Heat

Stir a pinch of cayenne pepper into the crust or add crushed red pepper flakes to the yogurt sauce.

A small spoonful of prepared horseradish can also give the yogurt sauce a sharper flavor.

Use a Different Vegetable

If asparagus is unavailable, try:

• Broccoli florets
• Green beans
• Zucchini
• Brussels sprouts
• Thinly sliced carrots
• Cherry tomatoes
• Cauliflower florets

Choose vegetables with a cooking time that works with the fish. Dense vegetables such as carrots or Brussels sprouts should be partially roasted before the cod is added.

Serving Ideas

The cod and asparagus can create a light meal by themselves, but adding a wholesome side makes the dinner more substantial.

Serve the fish with brown rice, wild rice, quinoa, farro, or barley. These grains can absorb the lemon-dill yogurt and any flavorful juices from the fish.

Roasted baby potatoes are another satisfying option. Cut them into small pieces and begin roasting them approximately 15 to 20 minutes before adding the cod.

For an especially colorful plate, serve the fish with a tomato and cucumber salad dressed with lemon juice and olive oil.

A simple arugula salad also works well. The peppery greens complement the mild cod and rich pistachios. Add thinly sliced red onion, cucumbers, and a light lemon vinaigrette.

Leftover cod can be flaked over mixed greens or tucked inside a whole-grain wrap with lettuce, tomatoes, and lemon-dill yogurt.

Make-Ahead Guidance

The pistachio topping can be prepared up to two days in advance. Store it in an airtight container in the refrigerator.

The lemon-dill yogurt can also be prepared ahead. In fact, giving it a few hours in the refrigerator allows the dill, lemon, and garlic flavors to blend.

Store the sauce in a covered container for up to three days. Stir it before serving and add a teaspoon of water if it becomes too thick.

The asparagus can be washed and trimmed one day ahead. Make sure it is dry before placing it in a container lined with a clean towel or paper towel.

Wait to apply the Dijon and pistachio crust until shortly before baking. Adding the topping too early may allow moisture from the fish to soften the crumbs and nuts.

Storing and Reheating Leftovers

Allow leftover cod and asparagus to cool before placing them in airtight containers.

Store the cooked fish in the refrigerator for up to three days. Keep the lemon-dill yogurt in a separate container so it remains cool and fresh.

For the best texture, reheat the cod in a 325°F oven for approximately 8 to 10 minutes. Cover it loosely with foil to help prevent it from drying out, then remove the foil during the final few minutes if the crust needs to become crisp again.

An air fryer can also work, but use a moderate temperature and check the fish frequently.

Microwaving is convenient, although it can soften the pistachio crust and dry the edges of the cod. If you use the microwave, heat the fish in short intervals at reduced power.

Cold leftover cod can be equally enjoyable. Flake it into a salad, grain bowl, or wrap and add a spoonful of the yogurt sauce.

Freezing the finished dish is not recommended. The cod can become watery after thawing, the crust may lose its texture, and yogurt sauce can separate.

A Fresh and Flavorful Way to Serve Fish

Pistachio-Crusted Baked Cod with Lemon-Dill Yogurt transforms a mild white fish into a dinner filled with color, texture, and fresh flavor.

The chopped pistachios and golden breadcrumbs create a satisfying crust without the need for deep-frying. Dijon mustard adds tanginess, lemon brightens the entire dish, and fresh dill gives the creamy Greek yogurt sauce a refreshing finish.

With roasted asparagus cooking on the same pan, this recipe is practical enough for a weeknight while still looking impressive on the plate.

Serve it with quinoa, roasted potatoes, brown rice, or a crisp salad. However you complete the meal, the combination of flaky cod, crunchy pistachios, fresh lemon, and creamy dill sauce makes this a seafood dinner worth preparing again.

Would you serve this Pistachio-Crusted Baked Cod with roasted potatoes, quinoa, brown rice, or a fresh garden salad?