Breakfast Casserole Recipe for 100 People: Easy Large-Scale Dish

Hosting a large breakfast gathering or planning a brunch for a big group? This breakfast casserole recipe is designed to serve 100 people, offering a hearty, make-ahead dish that combines eggs, bread, cheese, and savory breakfast meats. Its simplicity and ability to be prepared in advance make it a perfect choice for events, conferences, or large family gatherings.

Ingredients

• 10 pounds breakfast sausage (pork or turkey), cooked and crumbled
• 8 pounds shredded cheddar cheese
• 4 pounds cooked bacon, chopped
• 20 large eggs
• 5 gallons whole milk
• 10 pounds bread (day-old or slightly stale, sliced into 1-inch cubes)
• 2 pounds chopped green onions (optional)
• 2 tablespoons salt
• 2 teaspoons black pepper
• 1 teaspoon smoked paprika (optional for flavor)
• Cooking spray or butter for greasing

Instructions

1. Preheat the oven to 350°F (175°C). Grease multiple large baking dishes or roasting pans with butter or cooking spray to accommodate the casserole.
2. Cook the sausage in batches in a large skillet over medium heat until browned and fully cooked. Drain excess fat and crumble the sausage into small pieces. Set aside.
3. Cook the bacon until crispy, then chop into small pieces. Drain on paper towels and set aside.
4. In a large mixing container, whisk together the eggs, milk, salt, black pepper, and smoked paprika until well combined.
5. Layer the bread cubes evenly in the prepared baking dishes. Sprinkle the cooked sausage, chopped bacon, shredded cheese, and green onions (if using) evenly over the bread layers.
6. Pour the egg mixture evenly over the layered ingredients, ensuring all bread is soaked. Use a spatula to gently press down any bread that isn’t submerged.
7. Cover the dishes tightly with aluminum foil and refrigerate for at least 4 hours or overnight. This allows the bread to soak up the custard and enhances flavor.
8. When ready to bake, remove the casserole from the refrigerator and let it sit at room temperature for about 30 minutes. Bake uncovered at 350°F (175°C) for 45-55 minutes, or until the eggs are set and the top is golden brown.
9. Allow the casserole to rest for 10 minutes before slicing and serving. This helps it set and makes serving easier.

Tips

• Substitutions: Use turkey sausage or vegetarian sausage options for dietary preferences. Whole wheat or gluten-free bread can be used for gluten sensitivities.
• Storage: This dish can be assembled a day ahead and refrigerated. It also freezes well—wrap individual portions tightly and reheat as needed.
• Common mistakes: Not soaking the bread sufficiently results in a dry casserole. Be sure to refrigerate long enough for the custard to fully absorb into the bread.
• Additional toppings: Consider adding diced tomatoes, bell peppers, or spinach for extra flavor and nutrition.

Serving Suggestions

Serve this hearty breakfast casserole with fresh fruit, such as melon slices or berries, and a variety of breakfast breads or muffins. Freshly brewed coffee, orange juice, and tea complement the dish perfectly. For a more indulgent touch, add a dollop of sour cream or hot sauce on the side.

Variations

To diversify the recipe, try these variations: include cooked hash browns or diced potatoes layered within the casserole for added texture; swap cheddar for Monterey Jack or pepper jack for a different cheese flavor; or add sautéed mushrooms and spinach for a veggie-packed version. For a spicy kick, incorporate chopped jalapeños or hot sauce into the egg mixture.

Storage and Reheating

This casserole can be stored in an airtight container in the refrigerator for up to 3 days. To reheat, cover with foil and warm at 350°F (175°C) for 20-30 minutes, or until heated through. For individual portions, microwave on high for 2-3 minutes, checking for even heating. If freezing, cut into portions, wrap tightly, and reheat directly from frozen for best results, adding a few extra minutes to the microwave or oven time.

Frequently Asked Questions

Can I prepare this casserole the night before?

Absolutely. Assemble the casserole, refrigerate overnight, and bake the next morning. This allows the flavors to meld and saves time on the day of your event.

Is this recipe suitable for gluten-free diets?

Yes, if you use gluten-free bread and verify that all other ingredients, such as sausage and cheese, are gluten-free. Always check labels to ensure no cross-contamination.

How do I scale this recipe if I want to serve fewer people?

Adjust ingredient quantities proportionally based on the number of servings needed. It’s best to prepare a smaller batch in a single dish, but you can also prepare multiple smaller casseroles to suit your needs.

Can I add vegetables to this casserole?

Yes, vegetables like bell peppers, spinach, or mushrooms can be sautéed and layered into the casserole for added flavor and nutrition. Just ensure they are cooked before adding to prevent excess moisture.

What if I don’t have enough baking dishes?

You can use disposable aluminum pans or split the mixture into multiple smaller dishes. Just keep an eye on the baking time, which may vary slightly depending on the dish size.

How do I keep the casserole moist and fluffy?

Ensuring the bread is well soaked in the custard and not overbaking helps maintain moisture. Covering the dish with foil during baking can also trap steam, keeping the casserole moist.

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