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Ultimate Breakfast Casserole


  • Author: joe-peackok
  • Total Time: 75 minutes
  • Yield: 8 servings 1x
  • Diet: Flexible (vegetarian options available)

Description

A forgiving and crowd-pleasing breakfast casserole perfect for busy families, packed with protein and veggies.


Ingredients

Scale
  • 1 pound breakfast sausage (turkey, chicken, or plant-based)
  • 6 large eggs
  • 2 cups milk (whole or plant-based)
  • 1 teaspoon salt
  • 1 teaspoon black pepper
  • 1 teaspoon garlic powder
  • 1 teaspoon onion powder
  • 4 cups cubed bread (day-old preferred)
  • 2 cups shredded cheese (cheddar, Monterey Jack, or dairy-free)
  • 1 cup diced vegetables (bell peppers, spinach, mushrooms, zucchini)
  • Optional: 1/2 cup chopped onions (sautéed)
  • Optional: 1/2 cup chopped ham alternative
  • Optional: Fresh herbs, red pepper flakes, or smoked paprika
  • Optional: 1/4 cup grated Parmesan
  • Optional: Frozen corn or peas

Instructions

  1. Preheat oven to 350°F (175°C) and grease a 9×13-inch baking dish.
  2. Cook the sausage in a skillet until browned, about 6–8 minutes.
  3. Sauté vegetables in olive oil until softened; cool slightly.
  4. Whisk together eggs, milk, salt, pepper, garlic powder, and onion powder.
  5. Layer bread, cheese, sausage, and vegetables in the baking dish.
  6. Pour egg mixture over layers and press down gently.
  7. Let sit for 5–10 minutes to soak up the custard.
  8. Bake for 45–50 minutes until golden and set.
  9. Cool for 5-10 minutes, slice, and serve warm.

Notes

Great for making ahead; assemble the night before and refrigerate. Use gluten-free bread for a gluten-free version.

  • Prep Time: 25 minutes
  • Cook Time: 50 minutes
  • Category: Breakfast
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 1 serving
  • Calories: 350
  • Sugar: 6g
  • Sodium: 500mg
  • Fat: 22g
  • Saturated Fat: 10g
  • Unsaturated Fat: 7g
  • Trans Fat: 0g
  • Carbohydrates: 30g
  • Fiber: 2g
  • Protein: 20g
  • Cholesterol: 180mg

Keywords: breakfast casserole, easy breakfast, family-friendly, make-ahead breakfast