Sausage, Mushroom & Green Chile Breakfast Casserole
Mornings are made better with a breakfast that’s hearty, flavorful, and effortless. The Sausage, Mushroom & Green Chile Breakfast Casserole combines savory sausage, earthy mushrooms, and spicy green chiles with fluffy eggs and melted cheese, creating a dish that is both comforting and satisfying. Each bite offers a perfect balance of protein, spice, and texture, making it ideal for weekend brunches, holiday breakfasts, or feeding a crowd during busy mornings.
Breakfast casseroles like this one are beloved because they can be assembled ahead of time, baked in a single dish, and served in slices, saving both time and stress. The addition of green chile adds a subtle heat that pairs beautifully with the richness of sausage and the umami flavor of mushrooms, transforming ordinary breakfast ingredients into an extraordinary morning meal. With this recipe, breakfast becomes both convenient and unforgettable.
Ingredients Needed
Ingredients & Calorie Count (Approximate Per Serving)
| Ingredient | Quantity | Calories |
|---|---|---|
| Breakfast sausage, cooked and crumbled | 1 lb | 1,000 |
| Eggs | 8 large | 560 |
| Whole milk | 1½ cups | 225 |
| Green chiles, roasted and chopped | ½ cup | 25 |
| Mushrooms, sliced | 1 cup | 15 |
| Shredded cheese (cheddar or Monterey Jack) | 2 cups | 880 |
| Onion, chopped | 1 small | 45 |
| Olive oil or butter | 1 tbsp | 100 |
| Salt | 1 tsp | 0 |
| Black pepper | ½ tsp | 0 |
| Garlic, minced | 2 cloves | 10 |
| Fresh herbs (optional, for garnish) | 2 tbsp | 5 |
Step-by-Step Cooking Instructions
- Preheat the Oven
Set oven to 350°F (175°C) and grease a 9×13-inch baking dish with butter or oil. - Cook the Sausage
In a skillet over medium heat, cook breakfast sausage until browned. Remove and set aside. - Sauté Vegetables
In the same skillet, heat olive oil or butter and sauté onions, garlic, and mushrooms until softened, about 4–5 minutes. - Prepare Egg Mixture
In a large bowl, whisk together eggs, milk, salt, and black pepper until smooth. - Assemble the Casserole
Spread sautéed vegetables evenly in the baking dish. Add cooked sausage and chopped green chiles. Sprinkle half of the shredded cheese over the mixture. Pour the egg mixture evenly over all ingredients and top with remaining cheese. - Bake
Cover with foil and bake 30 minutes. Remove foil and bake an additional 20–25 minutes, or until the eggs are set and the cheese is golden and bubbly. - Cool and Garnish
Allow the casserole to rest for 5–10 minutes before slicing. Garnish with fresh herbs if desired.
Tips for Customizing the Recipe
- Protein Options: Replace sausage with bacon, ham, turkey sausage, or plant-based sausage.
- Vegetable Additions: Add spinach, bell peppers, zucchini, or tomatoes for more flavor and nutrients.
- Cheese Variations: Swiss, pepper jack, or a blend of cheeses can enhance flavor.
- Spice Level: Use canned green chiles or fresh roasted ones, depending on desired heat.
- Make-Ahead Option: Assemble the casserole the night before and refrigerate for easy morning baking.
- Gluten-Free: This casserole is naturally gluten-free if using gluten-free sausage.
Nutritional Information (Per Serving – Approximate)
| Nutrient | Amount |
|---|---|
| Calories | ~540 kcal |
| Protein | 28 g |
| Fat | 36 g |
| Carbohydrates | 20 g |
| Fiber | 2 g |
| Sugar | 3 g |
| Sodium | Moderate (varies by sausage and cheese) |
Serving Suggestions
- Serve with fresh fruit or a fruit compote for a light contrast.
- Pair with warm tortillas or toast for a Tex-Mex flair.
- Complement with coffee, tea, or fresh juice for a complete breakfast or brunch spread.
- Slice into squares for meal prep or grab-and-go breakfasts.
Sausage, Mushroom & Green Chile Breakfast Casserole
6–8
servings15
minutes50
minutes540
kcalIngredients
1 lb breakfast sausage, cooked and crumbled
8 large eggs
1½ cups whole milk
½ cup roasted green chiles, chopped
1 cup mushrooms, sliced
2 cups shredded cheese (cheddar or Monterey Jack)
1 small onion, chopped
1 tbsp olive oil or butter
2 cloves garlic, minced
1 tsp salt
½ tsp black pepper
2 tbsp fresh herbs (optional, for garnish)
Directions
- Preheat Oven: Set oven to 350°F (175°C) and grease a 9×13-inch baking dish.
- Cook Sausage: In a skillet over medium heat, cook sausage until browned. Remove and set aside.
- Sauté Vegetables: Heat olive oil or butter in the same skillet and sauté onions, garlic, and mushrooms until soft, 4–5 minutes.
- Prepare Egg Mixture: In a large bowl, whisk eggs, milk, salt, and black pepper until smooth.
- Assemble Casserole: Spread sautéed vegetables in the dish. Add cooked sausage and green chiles. Sprinkle half the cheese over the mixture, pour the egg mixture evenly, then top with remaining cheese.
- Bake: Cover with foil and bake 30 minutes. Remove foil and bake an additional 20–25 minutes, or until eggs are set and cheese is golden.
- Cool & Garnish: Let rest 5–10 minutes before slicing. Garnish with fresh herbs if desired.
Recipe Video
Notes
- Protein Options: Swap sausage with bacon, ham, turkey sausage, or plant-based alternatives.
Vegetable Additions: Add spinach, bell peppers, zucchini, or tomatoes for more flavor and nutrition.
Spice Level: Adjust green chiles for milder or spicier taste.
FAQs
1. Can I make this casserole ahead of time?
Yes! Assemble the casserole the night before, cover it, and refrigerate. Bake it in the morning for a convenient and stress-free breakfast.
2. Can I freeze the breakfast casserole?
Absolutely. After baking, let it cool completely, wrap tightly, and freeze for up to 2 months. Reheat in the oven until warmed through.
3. What type of sausage works best?
Breakfast sausage is ideal, but you can also use turkey sausage, chicken sausage, or plant-based alternatives. Adjust seasoning as needed.
4. Can I add more vegetables?
Yes! Spinach, bell peppers, zucchini, or tomatoes can be added for extra flavor and nutrients.
5. How do I know when it’s fully cooked?
The casserole is done when the eggs are set in the center and no longer jiggle. The top should be golden, and a knife inserted in the center should come out clean.
Conclusion
The Sausage, Mushroom & Green Chile Breakfast Casserole is a hearty, flavorful, and versatile dish perfect for any morning occasion. With savory sausage, earthy mushrooms, spicy green chiles, fluffy eggs, and melted cheese, it satisfies both adults and kids alike. Its make-ahead convenience, simple assembly, and one-dish baking make it ideal for busy mornings, brunch gatherings, or holiday breakfasts. This casserole is a delicious, crowd-pleasing breakfast that brings both comfort and flavor to the table.
