Some breakfasts are meant to be light, while others are designed to fuel your entire day. Steak & Cheese Baked Casserole falls firmly into the second category. Packed with juicy steak, savory vegetables, fluffy eggs, crispy potatoes, and layers of melted cheese, this comforting breakfast casserole is perfect for busy mornings, family brunches, holiday gatherings, or weekly meal prep.

This one-pan breakfast combines all the flavors of a classic steak and eggs breakfast into an easy-to-make casserole that’s rich, filling, and incredibly satisfying.

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Why You’ll Love This Breakfast

Steak and eggs have long been a favorite breakfast combination, especially for those looking for a protein-packed meal that keeps hunger away for hours. Baking everything together transforms those classic ingredients into a convenient dish that’s easy to slice and serve.

This casserole offers:

• High-protein breakfast
• Perfect make-ahead meal
• Family-friendly recipe
• Great for feeding a crowd
• Excellent for meal prep
• Customizable with your favorite vegetables and cheeses

Whether you’re hosting weekend brunch or preparing breakfasts for the week, this casserole delivers restaurant-quality flavor with minimal effort.

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Ingredients

For the Casserole

• 1 pound sirloin steak or ribeye, cut into bite-sized pieces
• 1 tablespoon olive oil
• 1 teaspoon garlic powder
• 1 teaspoon onion powder
• ½ teaspoon smoked paprika
• Salt and black pepper to taste
• 4 cups frozen diced hash browns (thawed)
• 1 small onion, diced
• 1 red bell pepper, diced
• 8 large eggs
• 1 cup whole milk
• 2 cups shredded sharp cheddar cheese
• 1 cup shredded mozzarella cheese
• 2 tablespoons chopped fresh parsley
• Optional: diced jalapeños for extra heat

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Instructions

Step 1: Cook the Steak

Heat olive oil in a large skillet over medium-high heat.

Season steak with:

• Garlic powder
• Onion powder
• Smoked paprika
• Salt
• Pepper

Cook for 3–5 minutes until browned but not fully cooked. Remove from skillet.

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Step 2: Cook the Vegetables

Using the same skillet, sauté:

• Onion
• Bell pepper

Cook for about 5 minutes until softened.

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Step 3: Assemble the Casserole

Preheat oven to 375°F.

Grease a 9×13-inch baking dish.

Layer:

1. Hash browns
2. Cooked vegetables
3. Steak
4. Half of both cheeses

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Step 4: Make the Egg Mixture

Whisk together:

• Eggs
• Milk
• Pinch of salt
• Black pepper

Pour evenly over the casserole.

Top with remaining cheese.

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Step 5: Bake

Bake for 40–45 minutes, or until:

• Eggs are completely set
• Cheese is bubbly
• Top is lightly golden

Allow casserole to rest for 10 minutes before slicing.

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Serving Suggestions

Serve with:

• Fresh fruit
• Toast
• Biscuits
• Avocado slices
• Salsa
• Sour cream
• Hot sauce
• Fresh green onions

Pair with coffee, orange juice, or your favorite breakfast smoothie for a complete meal.

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Delicious Variations

Southwest Style

Add:

• Jalapeños
• Pepper Jack cheese
• Black beans
• Salsa
• Cilantro

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Mushroom Swiss

Replace cheddar with Swiss cheese and add sautéed mushrooms for a rich, steakhouse-inspired flavor.

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Loaded Breakfast

Mix in:

• Crispy bacon
• Breakfast sausage
• Green onions
• Extra cheese

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Low-Carb Version

Skip the hash browns and replace them with:

• Cauliflower rice
• Broccoli florets
• Spinach

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Make-Ahead Instructions

This casserole is perfect for busy mornings.

Assemble everything the night before, cover, and refrigerate. In the morning, simply bake as directed, adding an extra 5–10 minutes if baking straight from the refrigerator.

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Storage

Refrigerate leftovers in an airtight container for up to 4 days.

Freeze individual portions for up to 3 months.

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Reheating

Microwave individual slices for 1–2 minutes.

Or warm in a 350°F oven for about 15 minutes to keep the edges crispy and the cheese perfectly melted.

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Tips for the Best Steak & Cheese Casserole

• Use sirloin, ribeye, or New York strip for tender bites of steak.
• Avoid overcooking the steak before baking—it will finish cooking in the oven.
• Freshly shredded cheese melts much better than pre-packaged varieties.
• Let the casserole rest before slicing to help it hold together.
• Add fresh herbs after baking for the best flavor and presentation.

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A Hearty Breakfast Worth Waking Up For

Few breakfasts are as comforting and satisfying as a warm slice of Steak & Cheese Baked Casserole. Every bite delivers tender steak, creamy eggs, golden potatoes, sautéed vegetables, and gooey melted cheese, making it the perfect meal for weekends, holidays, brunch gatherings, or meal prep.

Simple to prepare, easy to customize, and packed with protein, this casserole is a guaranteed crowd-pleaser that will quickly become a favorite in your breakfast rotation. Whether you’re serving family, hosting friends, or stocking your refrigerator with ready-to-go breakfasts, this hearty casserole offers delicious flavor and lasting satisfaction in every slice.