
Breakfast Casseroles for Busy Mornings: The Everything-But-The-Kitchen-Sink Casserole
1. Recipe Overview:
This "Everything-But-The-Kitchen-Sink" Breakfast Casserole is a lifesaver for those hectic mornings! It’s a customizable, make-ahead dish that combines eggs, your favorite breakfast meats, vegetables, cheese, and bread into a hearty and delicious meal. Think of it as a blank canvas for your breakfast cravings. This recipe is easy to adapt and is especially perfect for weekend brunch gatherings, holiday breakfasts, or meal prepping for the week. The flavor profile is savory and satisfying, with a creamy interior and a slightly crusty top.
2. Prep and Cook Times:
- Prep Time: 25 minutes
- Cook Time: 45-55 minutes
- Total Time: 70-80 minutes
- Skill Level: Beginner
3. Serving Information:
- Servings: 8-10
- Serving Suggestions: Serve with a side of fresh fruit, yogurt, or a drizzle of hot sauce.
4. Ingredients List:
- Bread Base:
- 8-10 cups of cubed bread (day-old bread works great – French bread, sourdough, or challah are excellent choices)
- Eggs and Dairy:
- 12 large eggs, whisked
- 2 cups milk (any kind)
- 1 cup heavy cream (or more milk for a lighter version)
- 1 teaspoon salt
- ½ teaspoon black pepper
- ½ teaspoon onion powder (optional)
- Meat (choose one or a combination!):
- 1 pound cooked breakfast sausage, crumbled
- 1 pound cooked bacon, crumbled
- ½ pound diced ham
- Vegetables (feel free to get creative!):
- 1 cup chopped onion (prep in advance is fine)
- 1 cup chopped bell peppers (any color)
- 1 cup chopped mushrooms (optional)
- 1 cup chopped spinach (optional)
- Cheese (the fun part!):
- 2 cups shredded cheese (cheddar, Monterey Jack, Gruyère—or a blend! I love cheddar and pepper jack.)
- Optional Add-ins:
- ½ cup chopped fresh herbs (chives, parsley, or thyme)
- ½ cup chopped sun-dried tomatoes
- A dash of hot sauce (for a kick!)
- Butter for Preparation:
- 1 Tablespoon unsalted butter for the pan
5. Equipment List:
- Essential:
- 9×13 inch baking dish (pyrex or ceramic work great)
- Large mixing bowl
- Whisk
- Large nonstick skillet (for cooking meats and veggies, if needed)
- Measuring cups and spoons
- Optional:
- Rubber spatula or wooden spoon
- Food processor (for chopping veggies)
- Oven thermometer (to ensure accurate baking temperature)
6. Step-by-Step Instructions:
- Prepare the Bread: Place the cubed bread in the 9×13 inch baking dish. If the bread is very fresh, allow it to sit out for a bit to dry it slightly.
- Cook the Meat (if using raw meat): If your meat isn’t already cooked, cook the sausage, bacon, or ham in the nonstick skillet until done and drain any excess grease. Set aside.
- Sauté the Vegetables (if using): In the same skillet (wipe out any excess grease), sauté the chopped onions and bell peppers until softened (5-7 minutes). Add mushrooms (if using) and cook until browned. Stir in spinach (if using) until wilted. Set aside.
- Make the Egg Mixture: In the large mixing bowl, whisk together the eggs, milk, heavy cream, salt, pepper, and onion powder (if using) until well combined.
- Assemble the Casserole: Pour half of the egg mixture over the bread in the baking dish. Gently press the bread down to soak up the egg mixture.
- Add the Filling: Sprinkle the cooked meat over the bread. Scatter the sautéed vegetables (if using) evenly.
- Layer Cheese: Sprinkle about half of the cheese over the meat and vegetables.
- Pour Remaining Egg Mixture: Pour the remaining egg mixture over the cheese.
- Top with Cheese: Sprinkle the remaining cheese on top, ensuring it’s evenly covered.
- Bake: Preheat oven to 350°F (175°C). Bake for 45-55 minutes, or until the casserole is set and the top is golden brown. A knife inserted into the center should come out clean or with just a few moist crumbs.
- Rest and Serve: Let the casserole rest for 10 minutes before serving. Garnish with fresh herbs (if using) and serve immediately.
7. Technique Tips and Troubleshooting:
- Soaking the Bread: Make sure the bread is well-soaked in the egg mixture to create a creamy texture. Press down on the bread with a spatula to help it absorb the liquid.
- Preventing a Soggy Casserole: If your bread is too fresh, it might absorb too much liquid, leading to a soggy casserole. Letting the bread sit out to dry for a bit will help. Alternatively, toast the bread cubes lightly before assembling the casserole
- Cheese Distribution: Don’t be shy with the cheese! It provides both flavor and visual appeal.
- Under-baking: If the casserole is still jiggly in the middle, it needs more time. Cover the baking dish loosely with foil and bake for another 10-15 minutes.
- Over browning: If the top is browning too quickly, tent the casserole with aluminum foil during the last 10-15 minutes of baking.
8. Plating and Presentation:
- Cut the casserole into squares or rectangular portions.
- Garnish with fresh herbs like parsley or chives for a pop of color.
- Serve with a side of hot sauce for those who like a little heat.
9. Storage and Reheating Instructions:
- Storage: Store leftovers in an airtight container in the refrigerator for up to 3 days.
- Reheating:
- Oven: Reheat in the oven at 350°F (175°C) covered for 15-20 minutes, or uncovered if the casserole is not too dry.
- Microwave: Reheat individual portions in the microwave in 1-minute intervals, until warmed through, but know that the bread will lose some texture.
10. Variations and Customizations:
- Vegetarian: Omit the meat and add extra vegetables such as mushrooms, spinach, and sun-dried tomatoes.
- Vegan: Use a plant-based egg substitute (like tofu scramble), plant-based milk and cream, and vegan cheese. Use vegetable oil to grease the dish.
- Spicy: Add a can of diced green chilies, a pinch of cayenne pepper, or some crumbled hot sausage for a kick.
- Sweet: Omit the savory ingredients and add cinnamon, vanilla extract, and a light dusting of powdered sugar at the end (this transforms it into a bread pudding-style dessert).
- Gluten-Free: Use gluten-free bread.
11. Notes on Ingredients and Equipment:
- Bread Choice: Experiment with different types of bread to find your favorite texture and flavor combinations.
- Cheese Selection: Choose cheeses that melt well and have a good flavor profile, like cheddar, Monterey Jack, or Gruyère. A blend of cheeses is always a good idea.
- Spice It Up: Don’t be afraid to add your favorite seasonings. A pinch of red pepper flakes, garlic powder, or smoked paprika can add wonderful layers of flavor.
- Make Ahead: This casserole is fantastic made ahead of time! Assemble the casserole (but don’t bake it). Cover tightly with plastic wrap and store in the refrigerator overnight. Bake as instructed the next morning.
12. Final Touches and Personal Notes:
I started making this breakfast casserole when I had a busy work week and wanted an easy, delicious breakfast option to grab and go. Since then, it has become a staple in my home. It’s incredibly versatile and can be completely customized to fit anyone’s taste! Don’t be afraid to experiment with different combinations of meats, vegetables, and cheeses. The beauty of this recipe lies in its flexibility. Enjoy!
5 FAQ Questions and Answers:
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Can I make this casserole ahead of time? Yes, absolutely! Assemble the casserole the night before, cover, and refrigerate. Add an extra 5-10 minutes to the baking time when baking it cold.
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What kind of bread works best? Day-old bread is ideal as it absorbs the egg mixture well. French bread, sourdough, and challah all work great. You can also use croissants or brioche for a richer flavor.
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Can I freeze the breakfast casserole? Yes, you can! Bake the casserole completely, let it cool, and then wrap it tightly in plastic wrap and foil. Freeze for up to 2 months. Thaw in the refrigerator overnight and reheat in the oven (covered) at 350°F (175°C) until heated through.
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My casserole is dry after baking, what did I do wrong? This can happen if your bread was too dried out to begin with (toasted bread is especially susceptible) or if you didn’t use enough liquid. Next time, add a touch more milk or cream to the egg mixture. Also, don’t overbake.
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Can I add other vegetables? Definitely! Broccoli, zucchini, asparagus, or any other vegetable you enjoy in an omelet or frittata would be delicious. Just be sure to pre-cook firmer vegetables like broccoli to soften them before adding them to the casserole.
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