Overnight Breakfast Sausage Casserole
A hearty overnight breakfast casserole featuring sausage, cheese, and bread, baked to perfection — ideal for weekend brunches or family gatherings.
Ingredients
Instructions
- Fry sausage; drain and crumble.
- Tear white bread into bite-size pieces and layer in a 9-inch pan.
- Layer sausage over bread.
- In a bowl, combine dry mustard, milk, and beaten eggs.
- Pour the egg mixture over the sausage and bread layers.
- Cover and refrigerate overnight.
- Mix cream of mushroom soup with milk.
- Pour the mushroom soup mixture over the casserole.
- Bake at 300°F (150°C) for 1 1/2 hours.
- Let set for 15 minutes before serving.
Tips & Substitutions
For added flavor, consider using spicy sausage or incorporating herbs like thyme or sage. You can substitute the Cheddar cheese with Monterey Jack or Pepper Jack for a different twist. If you prefer a lighter version, use low-fat milk and egg substitutes. Make sure to let the casserole sit overnight to allow the bread to soak up the flavors.
Serving Suggestions
This casserole is perfect for brunch and pairs beautifully with fresh fruit or a simple green salad. Consider serving alongside Honey-Orange Glazed Ham for a delightful contrast. You can also garnish with fresh herbs like parsley or chives for a pop of color and additional flavor.
Storage & Reheating
Leftovers can be stored in an airtight container in the refrigerator for up to 3 days. To reheat, cover with foil and warm in a preheated oven at 350°F (175°C) for about 20-25 minutes, or until heated through. For a quicker option, microwave individual portions on medium power until warm.
Nutrition & Diet Analysis (per serving)
Each serving of Overnight Breakfast Sausage Casserole contains roughly 769 calories, with 24g protein, 95g carbohydrates, and 33g fat. It is an excellent source of calcium (64% of the Daily Value), protein (47% of the Daily Value), and vitamin A (41% of the Daily Value), and a good source of vitamin C. Note that it is relatively high in sodium, at 856mg per serving (37% 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 make this casserole ahead of time?
Yes, this casserole is designed to be made the night before. After preparing it, cover and refrigerate overnight. This allows the bread to soak up the egg mixture, resulting in a deliciously moist and flavorful dish.
Can I use a different type of bread?
Absolutely! While soft white bread is traditional, you can experiment with other types like sourdough, whole wheat, or even croissants for a richer flavor. Just make sure the bread is slightly stale for the best texture.
Is it possible to make this recipe vegetarian?
Yes, you can easily make this casserole vegetarian by omitting the sausage and replacing it with sautéed vegetables like bell peppers, mushrooms, or spinach. You could also use a meat substitute designed for pork recipes to maintain texture and flavor.
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).