Overnight Breakfast Casserole

User Reviews

5

14 reviews
Excellent
  • Prep Time

    15 mins

  • Cook Time

    45 mins

  • Total Time

    1 hr

  • Servings

    12

  • Calories

    358 kcal

  • Course

    Breakfast

  • Cuisine

    American

Overnight Breakfast Casserole

This overnight breakfast casserole layers cooked breakfast sausage, crisped bacon, shredded hash browns, eggs, milk, and cheddar cheese for a hearty morning dish. The mixture is assembled in a large baking dish, refrigerated overnight to meld flavors and set, then baked until the center firms and the top becomes golden with melted cheese. Optional green onions add freshness. The casserole can adapt with various meats and peppers for personal taste.

Description

Overnight Breakfast Casserole starts by cooking bulk breakfast sausage until browned and bacon pieces until crisp. The fat is drained before combining half the sausage and bacon with shredded hash browns, eggs, milk, Dijon mustard, salt, pepper, and half the grated cheddar in a greased large baking dish. The mixture is chilled overnight, allowing the flavors to develop and the eggs to bind the ingredients.

The next day, the casserole is topped with the remaining cheese and baked at 350°F for about 45 minutes until set and no longer jiggly in the center. The reserved bacon is sprinkled on top just before serving, adding a crunchy finish. Optional green onions provide a mild sharpness to balance the richness.

This dish works well as a prepared breakfast or brunch option, feeding a larger group with its hearty components. It pairs well with fresh fruit or morning vegetables. Variations can include different breakfast meats and the addition of peppers or chilis for more flavor.

Leftovers should be refrigerated and reheated thoroughly within four days. The casserole mixture can also be frozen before baking, then thawed overnight to bake as usual, making it convenient for meal prep.

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Ingredients

Servings
  • 1 lb breakfast sausage bulk
  • 8 lices Bacon diced
  • 10 egg large
  • 1 ½ cups milk
  • 1 tablespoon Dijon mustard
  • 1 teaspoon salt
  • ½ teaspoon black pepper coarse ground
  • 20 ounces potato hash browns, shredded
  • 8 ounces cheddar cheese grated, divided

Optional:

  • ¼ cup green onions sliced

Instructions

Get prepped

  1. Grease a large (at least 9x13) baking dish with butter, oil or cooking spray and heat a skillet over medium high heat.

Cook the bacon and sausage

  1. Cook the sausage, (breaking up small) until fully cooked.
  2. Remove the sausage and drain the grease, then cook the bacon until crisp.

Make the filling

  1. In a large bowl, add the eggs, milk, mustard, salt and pepper and whisk until well combined.
  2. With a wooden spoon, mix in the shredded potatoes, half of the cheese the cooked sausage and half the bacon (keep half the crumbled bacon for serving).
  3. Pour everything into the greased baking dish
  4. Cover with foil or plastic wrap, and refrigerate overnight.

When ready to bake:

  1. Preheat oven to 350 degrees F.
  2. Remove the cover from the dish add the remaining cheese to the top.
  3. Cook the casserole for 45 minutes (up to an hour) until the center is set and not jiggly.
  4. Remove from the oven and allow to cool slightly before serving.
  5. Sprinkle with remaining bacon crumbles and green onions.
  6. Devour.

Notes

  • Store leftovers covered in the refrigerator for up to 4 days and reheat until hot before serving.
  • Substitute Dijon mustard with dry mustard powder or omit if unavailable.
  • You can use all bacon, all ham, all sausage, or combinations of these meats.
  • Add chopped bell peppers or green chilies for additional flavor variations.
  • This casserole can be frozen before baking; thaw overnight and bake as directed.

Nutrition Information

Show Details
Calories 358kcal (18%) Carbohydrates 11g (4%) Protein 19g (38%) Fat 26g (40%) Saturated Fat 11g (55%) Polyunsaturated Fat 3g (18%) Monounsaturated Fat 10g (50%) Trans Fat 1g (50%) Cholesterol 195mg (65%) Sodium 739mg (31%) Potassium 379mg (8%) Fiber 1g (4%) Sugar 2g (4%) Vitamin A 501IU (10%) Vitamin C 5mg (6%) Calcium 205mg (21%) Iron 2mg (11%)

Nutrition Facts

Serving: 12Serving

Amount Per Serving

Calories 358 kcal

% Daily Value*

Calories 358kcal 18%
Carbohydrates 11g 4%
Protein 19g 38%
Fat 26g 40%
Saturated Fat 11g 55%
Polyunsaturated Fat 3g 18%
Monounsaturated Fat 10g 50%
Trans Fat 1g 50%
Cholesterol 195mg 65%
Sodium 739mg 31%
Potassium 379mg 8%
Fiber 1g 4%
Sugar 2g 4%
Vitamin A 501IU 10%
Vitamin C 5mg 6%
Calcium 205mg 21%
Iron 2mg 11%

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

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Overall Rating

5

14 reviews
Excellent

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