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Easy Make-Ahead Breakfast Casserole

Easy Make-Ahead Breakfast Casserole

  • Author: Charlotte
  • Prep Time: 15 minutes
  • Cook Time: 50 minutes
  • Total Time: 1 hour 5 minutes
  • Yield: 8 servings 1x
  • Category: Breakfast
  • Method: Baking
  • Cuisine: American
  • Diet: Vegetarian

Description

A comforting, make-ahead breakfast casserole filled with fluffy eggs, savory ham, melty cheddar, and fresh veggies, perfect for lazy mornings or feeding a crowd.


Ingredients

Scale
  • 10 large eggs
  • 2 cups whole milk
  • 6 cups day-old bread, cubed
  • 2 cups shredded cheddar cheese
  • 1.5 cups diced cooked ham
  • 1 small onion, chopped and sautéed
  • 1 medium red bell pepper, chopped
  • 1 teaspoon salt
  • 1/2 teaspoon black pepper

Instructions

  1. In a large mixing bowl, whisk together eggs, milk, salt, and pepper until well combined and slightly frothy.
  2. Grease a 9×13 baking dish and spread bread cubes evenly across the bottom.
  3. Layer ham, sautéed onions, and bell pepper over the bread cubes.
  4. Sprinkle the shredded cheese over the top.
  5. Pour egg mixture evenly over all layers and gently press down to help bread absorb the liquid.
  6. Cover the dish with foil and refrigerate overnight.
  7. Preheat oven to 350°F (175°C) the next morning.
  8. Bake uncovered for 45 to 50 minutes until the center is set and the top is golden.
  9. Let cool for 5–10 minutes before serving.

Notes

  • Use day-old bread for best texture and absorption.
  • Customize with your favorite vegetables or cheese types.
  • Let casserole sit at room temperature for 20 minutes before baking for even cooking.
  • Freezes well after baking for up to 2 months.

Nutrition

  • Serving Size: 1 slice
  • Calories: 310
  • Sugar: 4g
  • Sodium: 640mg
  • Fat: 19g
  • Saturated Fat: 9g
  • Unsaturated Fat: 8g
  • Trans Fat: 0g
  • Carbohydrates: 18g
  • Fiber: 1g
  • Protein: 18g
  • Cholesterol: 235mg

Keywords: make-ahead breakfast casserole, easy breakfast casserole, overnight egg bake, ham egg cheese bake