Chicken Sausage Breakfast Skillet Casserole

A Chicken Sausage Breakfast Skillet Casserole is a hearty and wholesome way to start your morning. Made with protein-rich chicken sausage, fresh vegetables, and fluffy eggs, this one-skillet meal is perfect for feeding a crowd or prepping for the week ahead. Its rich flavor, easy preparation, and minimal cleanup make it a breakfast favorite.

Why You’ll Love This Recipe

This breakfast skillet casserole offers a balanced combination of lean protein, vegetables, and comforting flavors all in one dish. It’s ideal for busy mornings, holiday brunches, or a make-ahead meal option. Plus, it’s customizable with whatever ingredients you have on hand. Whether you’re feeding a family or meal prepping for the week, this recipe is efficient, delicious, and satisfying.

Ingredients

(Tip: You can find the complete list of ingredients and their measurements in the recipe card below.)

• chicken sausage, sliced or crumbled
• eggs
• milk
• shredded cheese (cheddar or your choice)
• bell peppers, diced
• onion, chopped
• baby spinach
• garlic, minced
• olive oil
• salt and pepper to taste
• optional: cooked potatoes or hash browns

Directions

1. Preheat your oven to 375°F (190°C).
2. Heat olive oil in a large, oven-safe skillet over medium heat.
3. Add the sliced chicken sausage and cook until lightly browned.
4. Add chopped onion and bell peppers; sauté until softened.
5. Stir in the garlic and spinach, cooking until the spinach wilts.
6. If using, add cooked potatoes or hash browns and mix well.
7. In a mixing bowl, whisk together eggs, milk, salt, and pepper.
8. Pour the egg mixture over the ingredients in the skillet.
9. Sprinkle shredded cheese evenly on top.
10. Transfer the skillet to the oven and bake for 20–25 minutes, or until the eggs are fully set and the top is golden.
11. Let it rest for a few minutes before slicing and serving.

Servings and timing

This recipe makes approximately 6 servings.
Prep Time: 10 minutes
Cook Time: 25 minutes
Total Time: 35 minutes

Variations

• Vegetarian: Omit chicken sausage and add mushrooms or more vegetables.
• Dairy-free: Use plant-based milk and omit or use dairy-free cheese.
• Spicy: Use spicy chicken sausage or add diced jalapeños.
• Low-carb: Skip the potatoes or hash browns.
• Make it Mediterranean: Add feta, olives, and sun-dried tomatoes.

Storage/Reheating

Allow the casserole to cool completely before storing. Place leftovers in an airtight container and refrigerate for up to 4 days. To reheat, microwave individual portions for 1–2 minutes or warm in a 350°F (175°C) oven until heated through. This dish also freezes well for up to 2 months; thaw overnight in the refrigerator before reheating.

FAQs

What type of chicken sausage should I use?

Any fully cooked chicken sausage will work—choose one with flavors you enjoy, such as Italian or apple.

Can I make this ahead of time?

Yes, you can assemble the casserole the night before and bake it in the morning.

Is this recipe gluten-free?

Yes, as long as the sausage and any optional additions are certified gluten-free.

Can I use egg whites instead of whole eggs?

Yes, you can substitute egg whites or use an egg substitute to lower cholesterol or fat.

Can I make this casserole without cheese?

Absolutely. It will still taste delicious without cheese, or you can use a non-dairy alternative.

How do I know when the casserole is done?

The center should be set and no longer jiggle when gently shaken. A knife inserted should come out clean.

Can I add more vegetables?

Yes, feel free to add zucchini, mushrooms, or broccoli for extra nutrition.

Can I cook this without an oven-safe skillet?

If you don’t have an oven-safe skillet, transfer everything to a greased baking dish before baking.

Is this good for meal prep?

Yes, it holds up well in the fridge and reheats beautifully, making it ideal for meal prep.

What sides go well with this dish?

Serve it with toast, a green salad, or fresh fruit for a complete meal.

Conclusion

The Chicken Sausage Breakfast Skillet Casserole is a flavorful, customizable, and convenient option for breakfast or brunch. It combines nutritious ingredients into one satisfying dish that’s easy to prepare and even easier to enjoy. Whether you’re hosting a brunch or just looking for a smart meal prep option, this casserole will quickly become a go-to favorite.

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