The Best Overnight Breakfast Casserole
Perfect for busy weekdays, holiday brunches, or meal prep, this dish brings together classic breakfast flavors in one delicious bite. Whether you’re feeding a crowd for Christmas morning, preparing for a weekend getaway, or just want a no-fuss breakfast solution, this recipe has you covered.
Equipment
- 9x13-inch baking dish
- Large mixing bowl
- Whisk
- Cutting Board and Knife
- Skillet
- Measuring cups and spoons
- Plastic wrap or foil
Ingredients
For the Base:
- 1 loaf of French bread or sourdough cubed (about 6-8 cups)
- 1 pound breakfast sausage or bacon/ham, cooked and crumbled
- 1 cup diced bell peppers any color
- ½ cup diced onion
- 1 cup shredded cheddar cheese
- ½ cup shredded mozzarella cheese
For the Egg Mixture:
- 8 large eggs
- 2 cups whole milk or half-and-half for creamier texture
- ½ teaspoon salt
- ½ teaspoon black pepper
- ½ teaspoon garlic powder
- ½ teaspoon smoked paprika optional, for added depth of flavor
Instructions
Step 1: Prepare the Bread and Sausage
- Cut the bread into cubes and spread them evenly in the greased 9x13-inch baking dish.
- Cook the breakfast sausage in a skillet over medium heat until browned. Drain any excess grease.
- Sprinkle the cooked sausage evenly over the bread cubes.
Step 2: Add the Vegetables and Cheese
- Dice the bell peppers and onions, then sauté them in the same skillet for about 3-4 minutes until slightly softened.
- Spread the veggies over the sausage and bread in the baking dish.
- Sprinkle both cheeses evenly over the top.
Step 3: Mix the Egg Mixture
- In a large mixing bowl, whisk together the eggs, milk, salt, black pepper, garlic powder, and smoked paprika.
- Pour the egg mixture evenly over the casserole, ensuring all the bread is soaked.
Step 4: Refrigerate Overnight
- Cover the casserole tightly with plastic wrap or foil.
- Place in the refrigerator for at least 6 hours or overnight to allow the flavors to meld.
Step 5: Bake and Serve
- Preheat the oven to 350°F (175°C).
- Remove the casserole from the refrigerator and let it sit at room temperature for 15-20 minutes.
- Bake uncovered for 45-50 minutes, or until the eggs are set and the top is golden brown.
- Let it cool for a few minutes before slicing and serving.
Notes
Nutritional Value (Per Serving, Approximate)
- Calories: 350-400 kcal
- Protein: 18-22g
- Carbohydrates: 25-30g
- Fat: 20-25g
- Fiber: 2-4g
- Sodium: 600-800mg
The nutritional information on this website is only an estimate and is provided for convenience and as a courtesy only. The accuracy of the nutritional information for any recipe on this site is not guaranteed. It should not be used as a substitute for a professional nutritionist’s advice.