Description
This Egg Bake Overnight Breakfast Casserole is a hearty and customizable dish featuring sausage, fresh vegetables, eggs, and cheese. Perfect for meal prepping, it can be baked immediately, refrigerated overnight, or frozen for convenient breakfasts any day of the week.
Ingredients
Scale
Meat
- 10 to 12 ounces sausage (casing removed)
Vegetables
- 2 cloves garlic (minced)
- 3 cups fresh spinach (90g)
- 2 large bell peppers (diced)
- ½ medium yellow onion (diced)
- Salt and pepper (to taste)
Dairy
- 12 large eggs
- ½ cup milk (any) (120g)
- ½ cup shredded cheese (any flavor; divided) (56g)
Oils
- Olive oil
Instructions
- Prepare the casserole dish: Spray a 7 x 11 or 9 x 13 inch casserole dish with non-stick spray and set aside. If baking immediately, preheat oven to 375ºF (191ºC).
- Brown the sausage: In a large skillet over medium heat, brown the sausage until slightly cooked and browned. If using fully cooked sausage, you may lightly brown it or skip this step. Spoon the browned sausage evenly into the prepared casserole dish and set aside.
- Sauté vegetables: Add a little olive oil to the same skillet (optional, as sausage grease may remain). Sauté the minced garlic, fresh spinach, diced bell peppers, and diced onion until vegetables are tender and spinach is wilted, about 6 to 7 minutes. Season with salt and pepper during the last minute.
- Combine vegetables and sausage: Remove skillet from heat and add the cooked vegetable mixture to the sausage in the casserole dish. Stir roughly to distribute the mixture evenly and set aside.
- Prepare egg mixture: In a medium bowl, whisk together the eggs, milk, and ¼ cup of the shredded cheese. Pour this egg mixture evenly over the sausage and vegetable mixture in the casserole dish. Sprinkle the remaining ¼ cup of shredded cheese on top. Add additional salt and pepper to taste.
- Bake the casserole: If not already preheated, preheat oven to 375ºF (191ºC). Bake the casserole uncovered for approximately 45 minutes or until the edges start to brown and the eggs are set. Allow to cool for at least 15 minutes before serving.
- Storage and reheating: Store leftovers in the refrigerator up to 5 days. Reheat individual servings in the microwave as needed. To freeze, cover the baked casserole tightly with plastic wrap and foil and freeze up to 2 months. Thaw in the refrigerator overnight and reheat at 350ºF (177ºC) for about 20 minutes or until heated through.
- Freezing unbaked casserole: You can freeze the unbaked casserole assembled in the dish for up to 2 months. Cover tightly with plastic wrap and foil. Thaw overnight in the refrigerator and bake following step 6.
Notes
- This casserole can be baked immediately, refrigerated overnight, or frozen for later use.
- Customize by using your favorite types of sausage and cheese.
- Vegetables can be swapped or added according to preference.
- Allow the casserole to cool before slicing for easier serving.
- To reheat, use microwave for individual portions or oven for larger quantities.
Nutrition
- Serving Size: 1 serving
- Calories: 197 kcal
- Sugar: 2 g
- Sodium: 303 mg
- Fat: 14 g
- Saturated Fat: 5 g
- Unsaturated Fat: 8 g
- Trans Fat: 0.1 g
- Carbohydrates: 4 g
- Fiber: 1 g
- Protein: 13 g
- Cholesterol: 223 mg
