Soul-Warming Hearty Baked Egg Casserole Breakfast Recipe

Weekends call for something special, and this creamy baked egg casserole brings pure comfort to your morning table.

Layers of fluffy eggs, crisp vegetables, and savory cheese create a delightful breakfast experience.

Each bite promises a burst of flavor that will wake up sleepy taste buds.

The protein-packed casserole delivers a satisfying meal that keeps you energized throughout the morning.

Cheese melts into golden pools, blending perfectly with tender eggs and colorful vegetables.

Simple ingredients transform into a restaurant-worthy dish that feels like a warm morning hug.

This casserole will become your new weekend breakfast favorite.

Quick Recipe Overview

Prep Time: 15 minutes

Cook Time: 40 minutes

Total Time: 55 minutes

Calories: 450 kcal

Servings: 8

What Goes in a Baked Egg Casserole Breakfast

• Hash Browns: Crispy potato foundation that adds hearty texture and comforting starchiness to the breakfast dish, choose frozen shredded variety for consistent results.

• Sausage, Spinach, Onions, Bell Peppers: Robust flavor builders that provide savory depth and nutritional balance, select fresh bell peppers with vibrant colors and firm texture.

• Eggs, Milk: Creamy protein-rich mixture that holds everything together, select large eggs at room temperature for smoother blending.
• Shredded Cheese: Melty, tangy element that adds richness and creates golden-brown top, mix cheddar and mozzarella for complex flavor profile.

• Garlic Powder, Onion Powder, Salt, Pepper: Subtle spice enhancers that elevate overall taste, use freshly ground black pepper for maximum aroma.

• Olive Oil: Helps sauté vegetables and prevents sticking, choose extra virgin for best flavor.
• Cooking Spray: Ensures easy casserole removal and prevents burning, look for non-stick versions.

Casserole Tools to Make Morning Prep Easier

• Large skillet: Perfect for sauteing vegetables and sausage with even heat distribution.
• 9×13-inch baking dish: Essential for creating a hearty, family-sized breakfast casserole.
• Large mixing bowl: Ideal for whisking eggs and creating the smooth, creamy egg mixture.
• Whisk: Crucial for blending eggs, milk, and seasonings into a uniform mixture.
• Spatula: Helpful for spreading ingredients evenly and scraping mixing bowl.
• Cutting board: Needed for chopping vegetables and preparing ingredients.
• Chef's knife: Sharp tool for precise vegetable and ingredient preparation.
• Measuring cups and spoons: Ensures accurate ingredient measurements for perfect flavor balance.

How to Bake a Fluffy Breakfast Egg Casserole

• Fire Up the Oven

Crank the oven to a cozy 350F and give your baking dish a quick spray of cooking love.

• Sizzle and Dance

Grab a skillet and get those onions and peppers dancing in olive oil until they’re soft and happy. Toss in the sausage and spinach, letting everything mingle and get to know each other.

• Egg Magic

Whip up a dreamy egg mixture with milk and a sprinkle of garlic and onion magic. Don’t hold back on the seasoning!

• Layer Like a Pro

Spread hash browns as your first tasty foundation. Crown them with the sausage and veggie medley, then shower generously with cheese.

• Pour and Bake

Cascade the egg mixture over your creation. Slide into the oven and let it transform for 35-40 minutes until golden and set.

• Slice and Enjoy

Give your masterpiece a quick breather, then cut into generous portions. Serve while warm and watch everyone’s eyes light up with excitement.

Tasty Additions for a Better Egg Bake

• Grate your own cheese for a fresher, richer flavor that melts more smoothly than pre-shredded varieties.
• Assemble the entire casserole the night before, cover with plastic wrap, and refrigerate. Simply bake in the morning for a stress-free breakfast that's ready in minutes.
• Replace regular sausage with turkey sausage or plant-based sausage crumbles for a lighter version. Use dairy-free cheese and almond milk to create a delicious gluten-free and dairy-free option that doesn't compromise on taste.
• Experiment with additional vegetables like zucchini, mushrooms, or kale to increase nutritional value and add extra texture to your breakfast casserole.
• Add a dash of red pepper flakes or swap out regular cheese for pepper jack to give the dish a zesty kick that will wake up your taste buds.

Serve Egg Casserole Straight from the Oven

• Brunch Buddy Plate: Pair the casserole with fresh mixed berries and a light yogurt parfait for a balanced morning meal that adds a fruity, refreshing touch.
• Protein Power Side: Serve alongside crispy bacon strips or turkey sausage links to amp up the protein content and give meat lovers an extra satisfying breakfast experience.
• Green Morning Boost: Add a small mixed green salad with a light vinaigrette or some sliced avocado to introduce fresh, nutritious elements that complement the rich casserole flavors.
• Quick Dipping Delight: Offer some salsa, hot sauce, or homemade pico de gallo on the side for guests who love a zesty kick and want to customize their breakfast plate.

Storing Your Breakfast Casserole the Smart Way

• Store leftovers in an airtight container within 2 hours of cooking, keeping the casserole fresh for 3-4 days in the refrigerator. Seal tightly to maintain flavor and prevent moisture absorption.
• Wrap individual portions or entire casserole in plastic wrap, then aluminum foil. Freeze up to 1 month. Thaw overnight in refrigerator before reheating to maintain original texture and taste.
• Warm individual servings in microwave for 1-2 minutes, or reheat entire dish in oven at 350F for 15-20 minutes. Cover with foil to prevent drying out and maintain moisture.
• Cut casserole into single-serving squares before storing. This allows easy grab-and-go breakfast options for busy mornings, reducing food waste and saving preparation time.

Hearty Baked Egg Casserole Breakfast Recipe

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4.8 from 17 reviews

• Total Time: 55 minutes
• Yield: 9 1x

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Description

Hearty “best baked egg casserole” brings comfort and flavor to morning tables, blending simple ingredients into a delightful breakfast experience. Cheese, eggs, and savory herbs combine perfectly, promising a satisfying meal you’ll crave again and again.

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Ingredients

Scale 1x2x3x

• 12 large eggs
• 1 cup (240 ml) milk (whole or 2%)
• 2 cups frozen shredded hash browns (thawed)
• 1 lb (454 g) breakfast sausage, cooked and crumbled (or bacon/ham)
• 1 cup (100 g) shredded cheddar cheese
• 1 cup (100 g) shredded mozzarella cheese
• 1 cup (150 g) diced bell peppers (red, green, or yellow)
• 1 cup (150 g) diced onion
• 1 cup fresh spinach, roughly chopped (optional)
• 1 tbsp (15 ml) olive oil (for sauteing)
• 1 tsp garlic powder
• 1 tsp onion powder
• ½ tsp salt
• ½ tsp black pepper
• Cooking spray

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Instructions

1. Preparation: Ignite oven to 350°F (175°C) and coat a 9×13-inch baking vessel with cooking spray for optimal release.
2. Sauté Ensemble: In a skillet, transform onions and bell peppers into tender morsels over medium flame, incorporating sausage and spinach until harmoniously blended and wilted.
3. Liquid Foundation: Whisk eggs with milk, infusing garlic and onion powders, seasoned with salt and pepper to create a silky, flavor-rich custard.
4. Architectural Layer: Construct the casserole by spreading hash browns as the foundational base, cascading the sausage-vegetable medley, generously scattering cheese varieties across the landscape.
5. Egg Cascade: Delicately pour the whisked egg mixture, ensuring complete and even distribution throughout the architectural layers.
6. Thermal Transformation: Position in preheated oven, allowing 35-40 minutes of culinary alchemy until eggs set firm, surface achieves golden perfection, and center passes the clean toothpick examination.
7. Presentation: Allow brief moments of restful cooling before slicing, then serve while warmth and aroma tantalize the senses.

Notes

• Whisk eggs thoroughly to ensure even blending and prevent egg white streaks, creating a uniform texture throughout the casserole.
• Pat hash browns and vegetables dry before layering to prevent excess liquid and maintain a crispy, non-soggy bottom layer in the dish.
• Swap sausage with turkey bacon, plant-based sausage, or diced ham to accommodate different dietary preferences and nutritional needs.
• Allow casserole to rest 5-10 minutes after baking, helping eggs set completely and making slicing cleaner and more precise without falling apart.

• Prep Time: 15 minutes
• Cook Time: 40 minutes
• Category: Breakfast
• Method: Baking
• Cuisine: American

Nutrition

• Serving Size: 9
• Calories: 230
• Sugar: 2 g
• Sodium: 450 mg
• Fat: 15 g
• Saturated Fat: 5 g
• Unsaturated Fat: 8 g
• Trans Fat: 0 g
• Carbohydrates: 12 g
• Fiber: 1 g
• Protein: 12 g
• Cholesterol: 180 mg