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Breakfast casserole in a baking dish with a serving on a plate

Breakfast Casserole

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A make-ahead breakfast casserole with eggs, cheese, bacon, bread, and vegetables makes a hearty, customizable meal for busy mornings.

  • Total Time: 1 hour 5 minutes
  • Yield: 6 servings

Ingredients

Scale
  • 6 large eggs, whisked

  • ⅔ cup milk

  • 1 cup shredded cheese, such as Mexican blend, mozzarella, cheddar, or Monterey Jack

  • ½ teaspoon kosher salt

  • 5 slices day-old whole wheat bread, cut into cubes

  • 4 slices bacon, cooked and crumbled

  • 1 cup cooked vegetables, chopped, such as broccoli, corn, bell peppers, or onions

Instructions

  1. Preheat the oven. Heat the oven to 350°F and grease an 8 × 8-inch baking dish.

  2. Prepare the egg mixture. In a large bowl, whisk together the eggs, milk, shredded cheese, and salt until well combined.

  3. Add the bread. Stir in the cubed bread until coated with the egg mixture. Mix gently to keep the bread from breaking apart.

  4. Fold in the fillings. Add the crumbled bacon and chopped cooked vegetables. Stir gently to distribute them evenly.

  5. Fill the baking dish. Pour the mixture into the prepared dish and spread it evenly.

  6. Bake. Bake for 45–50 minutes, until the top is golden and the center is set. The egg mixture should reach 160°F in the center.

  7. Rest and serve. Let the casserole rest for a few minutes before slicing and serving.

To double the recipe, use a 9 × 13-inch baking dish and check the center for doneness before serving.

Notes

  • Use day-old bread: Slightly stale bread absorbs the egg mixture while helping the casserole maintain its texture.

  • Avoid overmixing: Stir gently after adding the bread to keep the cubes intact.

  • Use fully cooked fillings: Cook the bacon and vegetables before adding them to the casserole.

  • Choose the right dish: A sturdy baking dish with high enough sides helps the casserole cook evenly and prevents spills.

  • Author: Miks
  • Prep Time: 15 minutes
  • Cook Time: 50 minutes
  • Category: Breakfast
  • Cuisine: American

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One Potato is a community and newsletter written by real people who are parents, having real conversations about our families, cooking traditions, and cultures. We are passionate about raising healthy and happy kids while navigating the challenges of picky eaters, dietary restrictions, busy schedules, and daily life.