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golden make ahead breakfast casserole on a rustic table

Breakfast Casserole – The Ultimate Make-Ahead Morning Meal


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  • Author: Chef Luna
  • Total Time: 1 hour 5 minutes
  • Yield: 8 servings 1x
  • Diet: Vegetarian

Description

  • A cozy and customizable make ahead breakfast casserole made with bread, eggs, cheese, and your favorite mix-ins. Ideal for holidays, brunches, or busy mornings.`

Ingredients

Scale
  1. 6 cups cubed day-old bread or 4 cups frozen hash browns (thawed)
  2. 1 lb cooked sausage or diced ham
  3. 1 ½ cups shredded cheddar cheese (or preferred cheese)
  4. 1 ½ cups chopped vegetables (e.g., bell peppers, spinach, mushrooms)
  5. 8 large eggs
  6. 2 cups milk or half-and-half
  7. 1 tsp salt
  8. ½ tsp black pepper
  9. ½ tsp garlic powder
  10. ½ tsp paprika
  11. Optional: ¼ cup chopped green onions, ¼ cup crumbled bacon, ¼ cup feta

Instructions

  • Grease a 9×13-inch baking dish and preheat oven to 350°F (175°C).
  • Layer bread or hash browns in the dish.
  • Sprinkle cooked sausage or protein over the base.
  • Add chopped vegetables evenly across the top.
  • Sprinkle with half the cheese.
  • In a large bowl, whisk eggs, milk, and all seasonings until smooth.
  • Pour egg mixture evenly over the casserole.
  • Top with remaining cheese.
  • Cover and refrigerate overnight or bake immediately.
  • Bake for 45–55 minutes until center is set and top is golden.
  • Let rest 10 minutes before serving.

Notes

  1. Use day-old bread for best texture.
  2. Let the casserole rest at room temp 20 minutes before baking if refrigerated.
  3. Add extra cheese or toppings before baking for more flavor.
  • Prep Time: 15 minutes
  • Cook Time: 50 minutes
  • Category: Breakfast
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 1 slice
  • Calories: 310
  • Sugar: 2g
  • Sodium: 620mg
  • Fat: 20g
  • Saturated Fat: 8g
  • Unsaturated Fat: 10g
  • Trans Fat: 0g
  • Carbohydrates: 18g
  • Fiber: 1g
  • Protein: 16g
  • Cholesterol: 190mg