Breakfast Casserole with Sausage, Hashbrowns and Eggs for Busy Mornings

Why You’ll Love This easy cheesy breakfast casserole recipe

• Ease of preparation: The recipe only needs 15 minutes of prep and 30 minutes of bake time, making it a perfect easy cheesy breakfast casserole recipe for busy mornings. Learn more about the healthy benefits of eggs that power your day.
• Health benefits: Packed with protein from ground pork sausage and six eggs, plus vitamin‑rich veggies, this cheesy breakfast casserole delivers sustained energy without heavy carbs.
• Versatility: Swap the sausage for turkey or plant‑based alternatives, use fresh potatoes or frozen hash‑browns, and add your favorite toppings for a dish that fits many dietary preferences.
• Distinctive flavor: A blend of sharp cheddar, mellow onions, sweet red bell pepper, and aromatic garlic creates a comforting, savory breakfast that stands out from ordinary casseroles.

Essential Ingredients for easy cheesy breakfast casserole recipe

Main Ingredients

• 1 lb ground pork sausage any flavor (hot, mild, or sweet). Provides rich protein and seasoned base.
• 1 medium white onion, diced adds sweetness and depth.
• 1 red bell pepper, cored and diced gives a bright, crisp bite.
• 3 cloves garlic, minced boosts aroma and flavor.
• 20 oz (≈ 570 g) frozen diced hash‑brown potatoes, thawed (or fresh potatoes, diced). Contributes hearty texture and carbs.
• 2 cups shredded sharp cheddar cheese, divided (about 200 g). Offers melt‑in‑your‑mouth cheesy richness.
• 6 large eggs binds everything together while adding protein.
• 1/3 cup (≈ 80 ml) milk creates a silky custard base.
• 1 tsp fine sea salt (or ½ tsp iodized table salt) seasons the mixture.
• Freshly cracked black pepper, to taste adds subtle heat.

Special Dietary Options

• Vegan: Replace the pork sausage with plant‑based “sausage” crumbles, use dairy‑free cheese, and swap milk for almond or oat milk.
• Gluten‑free: Ensure the hash‑browns are pure potato with no added wheat flour; most are safe. Choose gluten‑free sausage varieties.
• Low‑calorie: Use turkey sausage, reduce cheese to 1 cup, and add extra veggies like spinach or zucchini for volume without many calories.

How to Prepare the Perfect easy cheesy breakfast casserole recipe: Step‑by‑Step Guide

Step 1 Gather and prep

Preheat your oven to 375 °F (190 °C). While the oven warms, dice the onion and red bell pepper, and mince the garlic. If you’re using fresh potatoes, dice them now.

Step 2 Brown the sausage

Heat a large sauté pan over medium heat. Add the ground pork sausage, breaking it up with a spoon, and cook until fully browned, about 5‑7 minutes. Transfer the cooked sausage to a large mixing bowl, keeping 1 Tbsp of rendered fat in the pan.

Step 3 Sauté the veggies

In the same pan, add the diced onion and red bell pepper. Sauté for about 5 minutes until softened. Add the minced garlic and cook an additional 2 minutes, stirring frequently.

Step 4 Combine the base

Return the browned sausage to the pan with the veggies, then stir in the thawed hash‑browns (or fresh potatoes). Sprinkle 1 ½ cup of shredded cheddar cheese over the mixture and toss everything together until evenly combined.

Step 5 Make the custard

In a small bowl, whisk together the six eggs, 1/3 cup milk, 1 tsp fine sea salt, and freshly cracked black pepper. Pour the egg mixture over the sausage‑potato blend, ensuring the liquid coats all components.

Step 6 Bake

Transfer the combined mixture into a 9 × 13‑in (23 × 33 cm) baking dish. Sprinkle the remaining ½ cup cheddar cheese on top. Cover loosely with foil and bake for 40 minutes. Remove the foil and continue baking 10 15 minutes, or until the centre is set and the cheese is golden.

Step 7 Serve

Let the casserole rest for 5 minutes before cutting. Garnish with sliced green onions, avocado, or a dash of hot sauce if you like some heat.

“A cheesy breakfast casserole that can be assembled the night before and baked fresh in the morning saves precious time on busy weekdays.”

this …

Dietary Substitutions to Customize Your easy cheesy breakfast casserole recipe

Protein and Main Component Alternatives

Swap the pork sausage for turkey sausage, chicken crumbles, or plant‑based sausage for a lighter or vegetarian version. Bacon, Canadian bacon, or even cooked shredded ham work nicely for a meat‑lover twist.

Vegetable, Sauce, and Seasoning Modifications

Feel free to add mushrooms, spinach, diced tomatoes, or zucchini. For a spice kick, include paprika, cayenne, or fresh herbs like chives and thyme. A drizzle of hot sauce or a spoonful of salsa can replace the optional hot sauce.

Mastering easy cheesy breakfast casserole recipe: Advanced Tips and Variations

• Pro cooking techniques: Brown the sausage in a cast‑iron skillet for deeper flavor, and deglaze with a splash of white wine for subtle acidity.
• Flavor variations: Mix in jalapeño slices for heat, or use pepper jack cheese for a tangy twist.
• Presentation tips: Cut the casserole into bite‑size squares, top each with a sprig of fresh parsley, and serve on a rustic wooden board.
• Make‑ahead option: Assemble the uncooked mixture in the baking dish, cover tightly with foil, and refrigerate overnight. In the morning, bake as directed for a stress‑free brunch. See our casserole variations guide for ideas.

How to Store easy cheesy breakfast casserole recipe: Best Practices

Refrigeration

Cool the casserole to room temperature, then place leftovers in an airtight container. Store in the refrigerator for 3 4 days.

Freezing

Portion the casserole into individual servings, wrap tightly in plastic wrap, then place in a freezer‑safe bag. It will keep for up to 2 months. Thaw overnight in the fridge before reheating.

Reheating

Microwave a portion for 1 2 minutes, or bake in a preheated oven at 350 °F (175 °C) for 15‑20 minutes until hot and bubbly.

Meal‑prep considerations

Batch‑cook the full recipe, then portion into grab‑and‑go containers. This saves time and ensures a protein‑rich breakfast ready for busy mornings.

FAQs: Frequently Asked Questions About easy cheesy breakfast casserole recipe

easy cheesy breakfast casserole recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star

No reviews

Print Recipe

Pin Recipe

🍳 A protein‑packed breakfast casserole that’s ready for busy mornings, giving you a hearty, grab‑and‑go meal that feeds a crowd.
🥘 Layered with savory sausage, crispy hash‑browns and fluffy eggs, this dish is perfect for quick week‑day mornings or easy weekend brunches.

• Total Time: 45-60 minutes
• Yield: 8 servings 1x

Ingredients

Scale 1x2x3x

1 lb ground pork sausage any flavor (hot, mild, or sweet) for rich protein and seasoned base

1 medium white onion, diced for sweetness and depth

1 red bell pepper, cored and diced for a bright, crisp bite

3 cloves garlic, minced for aroma and flavor

20 oz (≈ 570 g) frozen diced hash‑brown potatoes, thawed (or fresh potatoes, diced) for hearty texture and carbs

2 cups shredded sharp cheddar cheese, divided (about 200 g) for cheesy richness

6 large eggs for binding and protein

1/3 cup (≈ 80 ml) milk for silky custard base

1 tsp fine sea salt (or ½ tsp iodized table salt) for seasoning

Freshly cracked black pepper, to taste for subtle heat

Cook Mode Prevent your screen from going dark

Notes

⏰ For a hassle‑free morning, assemble the casserole up to step 5, cover, and refrigerate overnight (up to 24 hours) before baking.
🥓 Swap pork sausage for turkey or plant‑based sausage for a lighter or vegetarian version.
🌱 If you don’t have frozen hash‑browns, dice fresh potatoes and microwave with ¼ cup water for 4‑5 minutes to soften before mixing.

• Author: Brandi Oshea
• Prep Time: 15 minutes
• Make‑ahead: Up to 24 hours refrigerated (assemble up to step 5)
• Cook Time: 40-55 minutes
• Category: Breakfast
• Method: Baking
• Cuisine: American
• Diet: Standard

Nutrition

• Serving Size: 1/8 of casserole (approx.)
• Calories: 360
• Sugar: 7g
• Sodium: 250mg
• Fat: 26g
• Saturated Fat: 12g
• Carbohydrates: 18g
• Fiber: 2g
• Protein: 15g
• Cholesterol: 210mg