Easy Make Ahead Breakfast Casserole Recipe

User Reviews

5

16 reviews
Excellent
  • Prep Time

    15 mins

  • Cook Time

    40 mins

  • Chilling Time

    30 mins

  • Total Time

    55 mins

  • Servings

    12

  • Calories

    314 kcal

  • Course

    Breakfast

  • Cuisine

    American

Easy Make Ahead Breakfast Casserole Recipe

This breakfast casserole combines crumbled pork sausage with onions, garlic, cubed buttermilk biscuits, eggs, milk, and cheddar cheese to create a rich, savory dish. Optional vegetables and toppings add versatility, and the casserole can be refrigerated before baking, making it a convenient option for prepared breakfasts or brunches. Baking sets the custard-like mixture into a hearty and flavorful bake.

Description

The Easy Make Ahead Breakfast Casserole Recipe starts with cooked sausage and optional vegetables sautéed until tender and mixed with cubed biscuits. Eggs, milk, seasoning, and cheddar cheese are whisked together to create a custard base that soaks into the bread cubes. This mixture is poured over the bread in a casserole dish and baked until the center is just set, creating a combination of soft, moist interior with a slightly golden crust.

The inclusion of biscuit cubes or other bread forms a textured base that soaks up the custard and flavors from the meat and vegetables. The casserole holds well and can be refrigerated after assembly for up to 24 hours before baking, offering convenience for morning preparation.

Leftovers store in the refrigerator for several days and reheat well. The casserole also freezes either before or after baking, with reheating recommended to be thorough and gradual to maintain texture. Variations include substituting meats or vegetables and altering seasonings to suit taste.

The recipe allows for half portions by adjusting ingredients and baking time accordingly. Seasonings can be modified or omitted as preferred, and cheese type substituted to vary flavor.

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Ingredients

Servings
  • 1 pound pork breakfast sausage or other breakfast meat such as diced ham or diced cooked bacon
  • 3/4 /4 cup onion diced (optional) (about 1/2 medium onion)
  • 1 clove garlic minced (optional)
  • 4 cups buttermilk biscuits cubed (about 4-6 baked biscuits) or another bread cubed such as sourdough
  • 2 cups milk or half and half, whole
  • 8 large egg room temperature
  • 1 cup cheddar cheese or Feta, Gouda, Swiss, or Pepper Jack, shredded
  • 1/2 /2 teaspoon kosher salt
  • 1/2 /2 teaspoon black pepper ground
  • 1/2 /2 teaspoon mustard powder optional, dry

Optional Add-In Ingredients

  • 1 cup bell pepper chopped
  • 1 cup mushroom sliced
  • 1 cup spinach chopped, fresh

Optional Topping

  • green onion sliced
  • parsley chopped, fresh
  • chive Chopped, fresh

Instructions

  1. Prep the casserole dish. Spray 9x13 casserole dish with nonstick cooking spray or coat it with butter and set aside.
  2. Cook the sausage and vegetables. Crumble sausage in a medium skillet with onion and garlic (and other vegetables if using). Cook over medium heat until the sausage is browned and cooked throughout and the onion is tender. Drain and set aside.
  3. Add the cubed bread. Arrange the cubed biscuits in the bottom of the prepared casserole dish.
  4. Mix the casserole filling. Whisk the milk, eggs, salt, pepper, and dry mustard in a mixing bowl. Stir in the shredded cheese, sausage, and cooked vegetables. Pour over the cubed biscuits.
  5. Bake and serve. Refrigerate for 30 minutes to overnight. When ready to bake, preheat the oven to 350º F. Bake for 40 to 45 minutes, until the center of the casserole is just set and registers 160º F in the center when checked with an instant read thermometer. Allow to stand for about 10 minutes before serving.

Notes

  • To save time, prepare the casserole up to 24 hours in advance and bake when ready to serve.
  • Store leftovers covered in the refrigerator for three to four days, reheating in the microwave or oven at 350º F.
  • Freeze the unbaked casserole in a freezer-safe dish wrapped tightly for up to three months; thaw overnight before baking.
  • You can also freeze the baked casserole by cooling completely, wrapping tightly, and reheating thoroughly after thawing.
  • Vegetarian variations can be made by omitting meat and increasing vegetables by about one cup.
  • Substitute frozen diced hashbrowns instead of bread for a potato-based casserole, cooking that first until browned.

Nutrition Information

Show Details
Calories 314kcal (16%) Carbohydrates 9g (3%) Protein 17g (34%) Fat 23g (35%) Saturated Fat 9g (45%) Polyunsaturated Fat 3g (18%) Monounsaturated Fat 9g (45%) Trans Fat 0.1g (5%) Cholesterol 199mg (66%) Sodium 656mg (27%) Potassium 300mg (6%) Fiber 0.3g (1%) Sugar 3g (6%) Vitamin A 443IU (9%) Vitamin C 1mg (1%) Calcium 174mg (17%) Iron 2mg (11%)

Nutrition Facts

Serving: 12Serving

Amount Per Serving

Calories 314 kcal

% Daily Value*

Calories 314kcal 16%
Carbohydrates 9g 3%
Protein 17g 34%
Fat 23g 35%
Saturated Fat 9g 45%
Polyunsaturated Fat 3g 18%
Monounsaturated Fat 9g 45%
Trans Fat 0.1g 5%
Cholesterol 199mg 66%
Sodium 656mg 27%
Potassium 300mg 6%
Fiber 0.3g 1%
Sugar 3g 6%
Vitamin A 443IU 9%
Vitamin C 1mg 1%
Calcium 174mg 17%
Iron 2mg 11%

* Percent Daily Values are based on a 2,000 calorie diet.

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5

16 reviews
Excellent

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