Cheesy Breakfast Casserole Recipe

There’s something truly magical about pulling a bubbling, golden breakfast casserole out of the oven on a lazy Sunday morning. The smell alone is enough to get the whole family out of bed. Whether you’re hosting a holiday brunch, meal-prepping for the week, or just looking for a hearty way to start the day. This breakfast casserole recipe has got you covered.

The best part? You can prep it the night before, pop it in the oven in the morning, and have a hot, satisfying meal ready in under an hour. No flipping pancakes, no juggling pans. Just one dish, all the flavors, zero stress.

Recipe at a Glance

Why This Recipe Is So Good

This breakfast casserole is the ultimate morning win. It’s a complete, protein-packed meal all baked into one dish — eggs, sausage, cheese, and veggies working together in perfect harmony.

It’s incredibly flexible (swap ingredients based on what’s in your fridge), makes-ahead beautifully, and tastes just as good reheated the next day. It’s the kind of recipe that becomes a household staple after the very first bite.

Equipment You’ll Need

Before you start, make sure you have these kitchen essentials ready:

• 9×13 inch baking dish
• Large mixing bowl
• Skillet or frying pan
• Whisk
• Wooden spoon or spatula
• Sharp knife and cutting board
• Measuring cups and spoons
• Cheese grater
• Aluminum foil
• Oven mitts

Ingredients

Here’s everything you need to make this hearty casserole for 8 people:

• 10 large eggs
• 1½ cups whole milk
• 1 lb (450g) breakfast sausage, crumbled
• 2 cups shredded cheddar cheese (divided)
• 3 cups frozen hash browns (thawed)
• 1 large bell pepper, diced
• 1 medium yellow onion, diced
• 3 cloves garlic, minced
• 1 tsp salt
• ½ tsp black pepper
• ½ tsp smoked paprika
• 1 tbsp butter (for greasing the dish)
• Fresh parsley or chives for garnish (optional)

Step-by-Step Instructions

Step 1 — Preheat the oven Set your oven to 375°F (190°C). Grease your 9×13 baking dish generously with butter and set it aside.

Step 2 — Cook the sausage In a skillet over medium heat, cook the crumbled breakfast sausage for 6–8 minutes until browned all the way through. Drain the excess grease and set the sausage aside.

Step 3 — Sauté the vegetables Using the same skillet, sauté the diced onion, bell pepper, and minced garlic over medium heat for about 4–5 minutes until they’re soft and fragrant. Remove from heat.

Step 4 — Layer the hash browns Spread the thawed hash browns evenly across the bottom of your greased baking dish. Season lightly with a pinch of salt and pepper.

Step 5 — Add the fillings Top the hash browns with the cooked sausage, sautéed vegetables, and 1½ cups of the shredded cheddar cheese.

Step 6 — Whisk the egg mixture In a large mixing bowl, crack all 10 eggs and whisk them together with the milk, salt, black pepper, and smoked paprika. Whisk until the mixture is smooth and slightly frothy.

Step 7 — Pour over the layers Slowly and evenly pour the egg mixture over all the layers in the baking dish. Gently press down with a spoon to make sure everything is well soaked.

Step 8 — Top with remaining cheese Sprinkle the remaining ½ cup of cheddar cheese over the top of the casserole for that beautiful golden, melty crust.

Step 9 — Bake Place the dish (uncovered) in your preheated oven and bake for 40–45 minutes, until the eggs are fully set and the top is golden brown. To check doneness, insert a knife into the center — it should come out clean.

Step 10 — Rest and serve Remove the casserole from the oven and let it rest for 5–10 minutes before slicing. Garnish with fresh parsley or chives and serve warm.

Try These BreakFast Recipes –

• The Best Vegan French Toast You’ll Ever Try (Crispy, Golden & Perfect)
• Healthy Banana Bread Oatmeal That Tastes Like a Treat
• These High-Protein Pancakes Are Soft, Fluffy, and Guilt-Free
• Air Fryer Frittata So Good, You’ll Make It Every Week
• Frozen Yogurt Bark That’s Better Than Ice Cream (and Way Healthier)

Nutrition Information

(Per serving — based on 8 servings)

Nutritional values are approximate and may vary based on specific ingredients used.

Frequently Asked Questions (FAQs)

Final Thoughts

This breakfast casserole is one of those recipes that just never gets old. It’s warm, hearty, endlessly customizable, and genuinely simple to make — which is a rare and beautiful combination. Whether you’re feeding a crowd at brunch or quietly meal prepping for a busy week ahead, this dish delivers every single time. Give it a try this weekend, and don’t be surprised when it becomes your family’s most-requested breakfast!