Sausage-Mushroom Breakfast Casserole
A hearty breakfast casserole combining flavorful sausage, mushrooms, cheesy croutons, and creamy mushroom soup, perfect for family brunches or weekend gatherings.
Ingredients
Instructions
- Spread the seasoned croutons evenly in a lightly greased 13 x 9 x 2-inch baking dish; set aside.
- Cook the sausage until browned, stirring to crumble; drain well.
- Sprinkle the cooked sausage over the croutons in the dish.
- Combine the beaten eggs, milk, cream of mushroom soup, drained sliced mushrooms, and dry mustard; mix well.
- Pour the egg mixture over the sausage and croutons.
- Cover and refrigerate for at least 8 hours or overnight before baking.
Tips & Substitutions
For a lighter version, consider using turkey sausage or a plant-based sausage alternative. You can also substitute half of the milk with unsweetened almond milk for a dairy-free option. If you prefer more flavor, add sautéed onions or bell peppers to the sausage mixture. For added texture, try using homemade croutons instead of store-bought. This dish is a great way to use leftover bread!
Serving Suggestions
This casserole can be served as a hearty brunch dish alongside fresh fruit or a light salad. Consider pairing it with cherry tomato halves for a pop of color and freshness. It also goes well with a side of breakfast potatoes or toasted English muffins. For a complete meal, serve with a refreshing glass of orange juice or your favorite morning beverage.
Storage & Reheating
Store any leftovers in an airtight container in the refrigerator for up to 3 days. To reheat, place individual portions in the microwave for about 1-2 minutes or until heated through. For larger portions, bake in a preheated oven at 350°F (175°C) for about 15-20 minutes until warmed evenly. Avoid freezing, as the texture may change.
Nutrition & Diet Analysis (per serving)
Each serving of Sausage-Mushroom Breakfast Casserole contains roughly 961 calories, with 30g protein, 136g carbohydrates, and 33g fat. It is an excellent source of vitamin D (72% of the Daily Value), protein (60% of the Daily Value), and calcium (57% of the Daily Value), and a good source of potassium. Note that it is relatively high in sodium, at 1241mg per serving (54% of the Daily Value).
Estimated from ingredients & per-serving nutrition — verify against package labels for allergies or strict diets.
* % Daily Values based on a 2,000 calorie diet (FDA 2020).
Frequently Asked Questions
Can I prepare this casserole ahead of time?
Yes, this casserole is perfect for meal prep! You can assemble it the night before and let it sit in the refrigerator overnight. This allows the flavors to meld, making it even more delicious when baked in the morning. Just be sure to cover it tightly with plastic wrap or foil.
What can I substitute for the cream of mushroom soup?
If you don’t have cream of mushroom soup, you can use a homemade version or substitute with cream of chicken soup. For a vegetarian option, try using a cream of celery soup or a homemade white sauce with sautéed mushrooms for a similar flavor and texture.
Can I add vegetables to this casserole?
Absolutely! Feel free to add your favorite vegetables, such as spinach, bell peppers, or zucchini. Just sauté them briefly before mixing them with the sausage to enhance their flavor. This not only adds nutrition but also makes the casserole more colorful and appealing.
Nutrition is estimated from USDA FoodData Central ingredient data and may vary with brand, portion and preparation — see our methodology. This information is for general educational purposes only and is not medical or dietary advice (disclaimer).