Make Ahead Breakfast Egg Bake

Name: Make Ahead Breakfast Egg Bake
Prep time: 20 min
Cook time: 40 min
Total time: 1 h
Yield: 8 servings
Ingredients: 12 large eggs; 1 cup milk; 1 cup diced bell peppers; 1 cup chopped spinach; 1 cup shredded cheese (cheddar or your choice); 1 teaspoon salt; 1/2 teaspoon black pepper; 1/2 teaspoon garlic powder; Cooking spray or oil for greasing the pan

Highlighted under: Healthy Daily Plates

I love starting my mornings with a hearty breakfast, and this Make Ahead Breakfast Egg Bake has become my go-to recipe. It’s not only satisfying but also incredibly easy to prepare in advance. Whether I have a busy week ahead or just need something comforting on a lazy weekend, this dish checks all the boxes. With vibrant veggies and protein-packed eggs, it fuels my day with energy. Plus, it’s versatile—perfect for using up whatever leftovers I have in the fridge!

Created by

Kayla Monroe

Last updated on 2026-02-10T15:59:35.785Z

When I first tried making this Make Ahead Breakfast Egg Bake, I was skeptical about baking eggs in advance. However, after experimenting with various ingredients, I found that using fresh vegetables and spices really enhances the flavor. The first time I used bell peppers and spinach, and the colors alone made breakfast so much more inviting!

What works best is allowing the dish to cool completely before cutting it into servings and storing it in the fridge. This way, when I reheat it, the texture remains perfect without becoming too rubbery. It's an absolute time-saver for busy mornings!

Why You Will Love This Recipe
Quick to prepare, making mornings stress-free
Packed with nutritious vegetables for a wholesome meal
Easily customizable with your favorite ingredients

Ingredient Insight

The combination of eggs and milk in this dish not only creates a silky smooth texture but also contributes to its protein content, keeping you full longer. Using large eggs ensures that the bake has the right amount of richness and body. If you're in a pinch, feel free to substitute with egg whites or a plant-based egg replacement, but keep in mind that the final texture may vary slightly.

Incorporating colorful bell peppers adds not only nutrition but also a delightful crunch. You can easily switch these out for other vegetables, like zucchini or mushrooms, depending on what you have on hand. Just make sure that any alternatives are chopped finely to ensure even cooking, and remember that watery vegetables like tomatoes can make the bake soggy, so be cautious using them.

Baking Tips

When baking the egg mixture, the key is to watch for visual cues. The top should appear slightly puffed and golden, and a knife inserted into the center should come out clean. If it's still runny, continue to bake in increments of 5 minutes, keeping a close eye to prevent overcooking. An overbaked egg dish can become rubbery, so just remember that slightly undercooked is preferable, as it will firm up while cooling.

If you're looking to save time during busy mornings, this breakfast bake can be prepped ahead of time. Assemble everything the night before, cover, and refrigerate. Just extend the bake time by about 10 minutes if baking straight from the fridge. This makes it a great option for meal prepping, allowing for easy grab-and-go breakfasts throughout the week.

Ingredients

Gather these ingredients to create a delicious Make Ahead Breakfast Egg Bake:

Ingredients

12 large eggs
1 cup milk
1 cup diced bell peppers
1 cup chopped spinach
1 cup shredded cheese (cheddar or your choice)
1 teaspoon salt
1/2 teaspoon black pepper
1/2 teaspoon garlic powder
Cooking spray or oil for greasing the pan

Once you have everything ready, you're just a few steps away from a delightful breakfast!

Instructions

Follow these steps to make your Make Ahead Breakfast Egg Bake:

Preheat the Oven

Preheat your oven to 350°F (175°C) and grease a 9x13 inch baking dish with cooking spray or olive oil.

Whisk Eggs and Milk

In a large bowl, whisk together the eggs, milk, salt, black pepper, and garlic powder until well combined.

Combine Vegetables and Cheese

Stir in the diced bell peppers, chopped spinach, and shredded cheese until evenly distributed.

Bake the Egg Mixture

Pour the egg mixture into the prepared baking dish. Bake for 30-40 minutes, or until the eggs are set and slightly golden on top.

Cool and Slice

Remove from the oven and let it cool for about 10 minutes before slicing into squares.

Store or Serve

You can serve it warm right away or let it cool completely and store it in the fridge for later enjoyment.

Now you have a delicious breakfast ready to go anytime!

Pro Tips

Feel free to experiment with different vegetables or add cooked meats like ham or sausage for extra protein. Also, this dish freezes well—just reheat in the microwave or oven for a quick breakfast!

Serving Suggestions

This Make Ahead Breakfast Egg Bake is versatile enough to stand alone, but pairing it with a side of avocado or fresh fruit can elevate your breakfast game. You might also consider serving it on a bed of mixed greens with a drizzle of vinaigrette for a delicious brunch option. The balance of flavors and textures will keep your palate excited and satisfied.

For a delicious twist, try adding herbs like chopped fresh basil or parsley to the egg mixture. These not only add freshness but also complement the richness of the cheese and eggs beautifully. You could also top slices with salsa, hot sauce, or a dollop of sour cream for an added kick and creaminess.

Storage & Reheating

Once your breakfast bake has completely cooled, store it in an airtight container in the fridge for up to 5 days. For longer storage, you can freeze individual portions wrapped tightly in plastic wrap and then placed in a freezer-safe bag for up to three months. Just be sure to label the bag with the date to keep track of freshness.

When you’re ready to enjoy a frozen portion, thaw it overnight in the refrigerator for the best results. Reheat it in the microwave for 1-2 minutes, or bake it in a preheated oven at 350°F (175°C) for about 15-20 minutes until heated through. This way, you can enjoy the comforting flavors of your breakfast bake any time you want.

Questions About Recipes

→ Can I use egg substitutes?

Yes, you can use an egg substitute like a flax egg or commercial egg replacer to make it vegan.

→ How long can I store the leftovers?

You can store the baked egg dish in the fridge for up to 5 days, or freeze it for up to 3 months.

→ Can I add other vegetables?

Absolutely! Feel free to add any vegetables you like, such as tomatoes, zucchini, or broccoli.

→ What is the best way to reheat this dish?

Reheat individual squares in the microwave for about 30 seconds or warm up the whole dish in the oven at 350°F for about 10–15 minutes.