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Close up view of the best breakfast casserole on a white plate, loaded with eggs, sweet potato, bacon, sausage, peppers, and onions.

Breakfast casserole

Tami DeGeeter, CPT, CNC
Looking for a breakfast recipe that's both hearty and satisfying? Look no further than this delicious breakfast casserole! Enjoy a savory blend of diced sweet potatoes, crispy bacon, and breakfast sausage, layered with onions and bell peppers, and topped with a fluffy egg and cheese mixture. Baked to perfection and garnished with green onions, this casserole is sure to impress your family or guests.
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Prep Time 10 minutes
Cook Time 1 hour
Total Time 1 hour 10 minutes
Course Breakfast
Makes 12 servings
Serving Size 1/12 of casserole
Net Carbs 9 g
*Net carbs are per serving

Ingredients
 

  • 1 pound sweet potato, diced into small cubes
  • 1 tablespoon olive oil
  • ¼ teaspoon garlic powder
  • ¼ teaspoon smoked paprika
  • ¼ teaspoon ground cumin
  • ½ teaspoon salt
  • ¼ teaspoon black pepper
  • 1 pound bacon
  • 1 pound ground breakfast sausage
  • ½ large yellow onion, diced
  • 1 large green bell pepper, diced
  • 2 cloves garlic, minced
  • ⅔ cup cheddar cheese, shredded
  • 12 large eggs
  • ⅓ cup unsweetened almond milk
  • Garnish: green onion, avocado

Instructions
 

  • Preheat your oven to 400F/200C.
    Close-up view of temperature knob on an oven, preheat oven to cook a meal.
  • Drizzle sweet potatoes with olive oil and sprinkle with garlic powder, paprika, cumin, salt, and pepper. Spread evenly on a baking sheet.
    Top view of cubed sweet potatoes coated with olive oil, smoked paprika, garlic powder, and cumin spread out on a baking dish.
  • On a second baking sheet, arrange slices of bacon (on parchment paper if preferred). Place both sheets in the oven and bake for 20 minutes, or until the bacon is crispy. When bacon is cooked and has cooled, roughly chop or crumble it.
    Top view of strips of bacon lined up on a baking sheet.
  • Meanwhile, brown the breakfast sausage in a skillet over medium-high heat. Drain most of the grease, and transfer the cooked sausage to a casserole dish.
    Top view of breakfast sausage cooking in a skillet.
  • Saute the bell pepper and onion for 4-5 minutes. Add the minced garlic and cook for 30 seconds. Transfer the vegetables to the casserole dish.
    Top view of skillet cooking green bell peppers, onions, and garlic.
  • Add the cooked sweet potato, bacon, and 1/3 cup shredded cheese to the casserole dish. Stir everything together.
    Top view of casserole dish with breakfast sausage, sweet potatoes, green bell peppers, onions, bacon, and shredded cheese.
  • In a mixing bowl, whisk the eggs and milk until well combined.
    Top view of eggs whisked in a large glass mixing bowl.
  • Pour the egg mixture over the meat and vegetables in the casserole dish. Top with remaining shredded cheese. Bake for 25-30 minutes or until the center is set and the top is golden. Check for doneness by inserting a toothpick into the center.
    Top view of casserole dish with breakfast casserole assembled and ready to bake - eggs, bacon, sausage, sweet potatoes, peppers, onions, garlic, and cheese.
  • Garnish with green onion or avocado. Enjoy!

Video

Nutrition

Nutrition Facts
Breakfast casserole
Serving Size
 
1 serving
Amount per Serving
Calories
344
% Daily Value*
Net Carbohydrates
 
9
g
Carbohydrates
 
11
g
Fiber
 
2
g
Sugar
 
3
g
Protein
 
18
g
Fat
 
25
g
Saturated Fat
 
9
g
Trans Fat
 
0
g
Polyunsaturated Fat
 
1
g
Monounsaturated Fat
 
3
g
Cholesterol
 
233
mg
Sodium
 
766
mg
Potassium
 
286
mg
8
%
Vitamin C
 
9
mg
11
%
Vitamin A
 
369
µg
53
%
Calcium
 
108
mg
11
%
Iron
 
1
mg
6
%
Nutrition facts are an estimate and are provided as a courtesy. Nutrition facts are sourced from the USDA Food Database. Values may vary depending on brand of ingredients used.

Equipment

Baking sheet, half sheet size made out of aluminum
Baking Sheet
12 inch cast iron skillet
Large Skillet
Set of 3 rectangle baking dishes
Rectangle Baking Dishes
Keywords keto breakfast casserole, loaded breakfast casserole, low-carb breakfast casserole, overnight breakfast casserole, the best breakfast casserole
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