Breakfast Egg Cups (with peppers and onions)

This post may contain affiliate links. Please read our disclosure policy.

These Breakfast Egg Cups with Peppers and Onions are a quick, protein-packed breakfast made with fluffy eggs, sweet bell peppers, savory onions, and simple seasonings for an easy meal prep recipe the whole family will love.

Perfect for busy weekday mornings, these healthy breakfast egg muffins are freezer-friendly, kid-approved, and ideal for grab-and-go breakfasts or postpartum meal prep.

Jump to Recipe Print Recipe

Breakfast Egg Cups with Peppers and Onions

Mornings can feel like a race against the clock, especially when you have little ones to get dressed, fed, and out the door for daycare or school. As a mom, I am always looking for breakfast recipes that are quick, nutritious, and easy enough to prepare ahead of time. These Breakfast Egg Cups with Peppers have become one of our family’s favorite breakfasts because they check every box. They are packed with protein, loaded with colorful vegetables, and can be made in less than 30 minutes.

One of my favorite parts about this recipe is how much fun it is to make with my kids. My three year old recently learned how to crack eggs all by herself, and watching her proudly crack each egg into the bowl is one of those sweet moments I never want to forget. She still needs help whisking everything together and, of course, I handle the oven, but she loves being part of the process. Every child develops at their own pace, so always use your best judgment when deciding what tasks they can safely do. Older kids can easily help dice vegetables, whisk the eggs, or even prepare the entire recipe with supervision.

Whether you are meal prepping for the week, feeding a hungry family, or looking for a grab and go breakfast during the postpartum season, these Breakfast Egg Cups with Peppers are the perfect solution.

Why You’ll Love This Recipe

These Breakfast Egg Cups with Peppers are one of those recipes that you’ll find yourself making over and over again. They are simple enough for busy weekday mornings, yet delicious enough to serve when family or friends stay overnight. Since they are naturally high in protein, they help keep everyone feeling full until lunch. They are also incredibly customizable, making them perfect for picky eaters or families with different taste preferences. Best of all, they can be made ahead of time, which means one less thing to worry about during hectic mornings.

What Makes Breakfast Egg Cups with Peppers So Delicious?

There is something so satisfying about a warm, fluffy egg cup filled with tender peppers and sweet onions. The vegetables soften perfectly while baking, adding just the right amount of sweetness and texture without overpowering the eggs. Every bite is light, flavorful, and filling. These egg cups are wonderful whether you are enjoying a slow breakfast at home with your family or grabbing one on your way out the door. I especially love making them during the postpartum season because they provide an easy, nourishing breakfast that I can quickly reheat while caring for a newborn. They also make a thoughtful meal for postpartum friends who appreciate healthy, homemade food they can enjoy throughout the week.

Why These Breakfast Egg Cups with Peppers Are Always a Crowd Pleaser

These egg cups are one of those recipes that everyone seems to enjoy. They are soft, flavorful, and easy to eat, making them great for toddlers, older kids, and adults alike. Friends love them for brunch gatherings because they look impressive without requiring much effort. Husbands appreciate having a hearty breakfast they can grab before work, and guests always ask for the recipe after trying them. Since you can customize every batch with different vegetables, cheeses, or meats, everyone can enjoy a version they love.

Equipment You’ll Need

• Muffin pan
• Large mixing bowl
• Whisk
• Cutting board
• Sharp knife
• Measuring cups
• Measuring spoons
• Cooking spray
• Spoon or ladle for filling muffin cups
• Cooling rack

Ingredients

• 12 large eggs
• 1/2 cup diced bell peppers
• 1/4 cup diced onions
• 1/2 teaspoon garlic powder
• Salt, to taste
• Black pepper, to taste
• Cooking spray

Step by Step Instructions

Step 1

Preheat your oven to 350 degrees Fahrenheit. Generously coat a standard 12 cup muffin pan with cooking spray to prevent sticking.

Step 2

Dice the bell peppers and onions into small pieces so they cook evenly throughout the egg cups.

Step 3

Crack the eggs into a large mixing bowl. Add the garlic powder, salt, and pepper.

Step 4

Whisk the eggs until the yolks and whites are completely combined and slightly frothy.

Step 5

Stir the diced peppers and onions into the egg mixture.

Step 6

Carefully pour the egg mixture evenly into the prepared muffin cups, filling each about three quarters full.

Step 7

Bake for 18 to 22 minutes, or until the centers are fully set and the tops are lightly golden.

Step 8

Allow the egg cups to cool for about five minutes before carefully removing them from the muffin pan.

Step 9

Serve immediately or allow them to cool completely before storing for meal prep.

Different Variations and Inclusions

One of the best things about Breakfast Egg Cups is how easy they are to customize. You can easily switch up the ingredients depending on what your family enjoys or what you already have in the refrigerator.

Here are a few delicious combinations to try:

• Ham and Cheddar: Add diced ham with shredded cheddar cheese for a classic breakfast combination.
• Spinach and Feta: Stir in chopped spinach and crumbled feta cheese for a Mediterranean inspired version.
• Sausage and Mozzarella: Cook and crumble breakfast sausage, then mix it with mozzarella cheese.
• Bacon and Swiss: Crispy bacon pieces paired with Swiss cheese create a rich and savory breakfast.
• Mushroom and Pepper Jack: Sauté mushrooms before adding them along with Pepper Jack cheese for a little extra flavor.

The possibilities are endless, making this recipe one you’ll never get tired of making.

Tips for Making the Best Breakfast Egg Cups

A few simple tips will help ensure your egg cups come out perfectly every time. First, generously grease your muffin pan because eggs can stick surprisingly easily. Second, dice your vegetables into small pieces so they cook evenly and distribute throughout each egg cup. Third, avoid overfilling the muffin cups since the eggs puff up while baking before settling as they cool. Finally, let the egg cups rest for a few minutes before removing them from the pan, which helps them release much more easily.

Common Mistakes to Avoid

One of the biggest mistakes people make is overbaking the eggs, which can make them rubbery instead of soft and fluffy. Be sure to remove them from the oven once the centers are set. Another common mistake is forgetting to grease the muffin pan well, making cleanup much harder. Using large chunks of vegetables can also prevent the egg cups from baking evenly, so smaller diced pieces work best. Finally, remember that egg cups naturally puff up in the oven and settle slightly as they cool, so don’t worry if they shrink a little after baking.

What to Serve with Breakfast Egg Cups

These Breakfast Egg Cups pair beautifully with a variety of breakfast favorites, making them perfect for both busy weekdays and relaxed weekend brunches.

• Sourdough artisan bread topped with creamy avocado spread
• Fresh seasonal fruit salad with berries, grapes, and melon
• Greek yogurt topped with granola and a drizzle of honey
• Crispy breakfast potatoes or roasted sweet potatoes

Together, these sides create a complete breakfast that is filling, nutritious, and satisfying.

Meal Prep, Storage, and Freezing

These Breakfast Egg Cups were practically made for meal prep. Once completely cooled, place them in an airtight container and store them in the refrigerator for up to 4 days. They make busy mornings so much easier because breakfast is already prepared and ready to go.

To reheat, simply microwave one or two egg cups for about 20 to 30 seconds until warmed through. If you prefer, you can also reheat them in a 300 degree oven for about 8 to 10 minutes.

These egg cups also freeze very well. Allow them to cool completely before placing them on a baking sheet to freeze individually. Once frozen, transfer them to a freezer safe bag or airtight container. They can be stored in the freezer for up to 3 months.

When ready to enjoy, thaw overnight in the refrigerator or microwave directly from frozen using short intervals until heated through. This makes them an excellent option for postpartum meal prep or preparing breakfasts weeks in advance.

Frequently Asked Questions

Can I make these ahead of time?

Absolutely. These egg cups are perfect for meal prep and taste great throughout the week.

Can I freeze Breakfast Egg Cups?

Yes. Freeze them individually, then transfer them to a freezer safe container for easy grab and go breakfasts.

Why did my egg cups sink after baking?

This is completely normal. Eggs puff up while baking and naturally settle as they cool.

Can I add cheese?

Definitely. Cheddar, mozzarella, Swiss, Monterey Jack, and feta all work wonderfully.

Can I use different vegetables?

Yes. Spinach, mushrooms, zucchini, broccoli, tomatoes, and green onions are all delicious additions.

How do I know when they’re finished baking?

The centers should be completely set and no longer jiggle when you gently shake the pan.

Are these good for toddlers?

Yes. Their soft texture makes them great for little ones. Just be sure to cut them into age appropriate pieces and adjust any added ingredients to fit your family’s needs.

Can I double the recipe?

Absolutely. Simply prepare two muffin pans and bake them at the same time, rotating halfway through if needed.

Final Thoughts

If your mornings are anything like mine, having breakfast already prepared can completely change the pace of your day. These Breakfast Egg Cups with Peppers are wholesome, delicious, and incredibly simple to make. I love that my kids can help prepare them, making breakfast feel like a fun family activity instead of another rushed chore. They are perfect for meal prep, easy to customize, freezer friendly, and packed with protein to keep everyone energized throughout the morning. Whether you are feeding toddlers before daycare, older kids before school, packing breakfast for work, or preparing nourishing meals during the postpartum season, these Breakfast Egg Cups with Peppers are a recipe you’ll come back to again and again.

Why Sautee your Veggies for Egg Cups?

One of the key elements in my breakfast egg cups recipe is sautéed vegetables.

I find that cooking the peppers and onions before adding them to the egg mixture ensures they are perfectly tender and bursting with flavor.

Plus, sautéing helps to release the natural sugars in the vegetables, adding a subtle sweetness to the dish.

Nobody wants to bite into a raw piece of pepper or onion first thing in the morning!

To sauté the vegetables, simply heat a bit of olive oil in a pan over medium heat.

Add diced peppers and onions, and cook until they are soft and slightly caramelized, about 5-7 minutes.

Season with salt and pepper to taste, then set aside to cool before adding them to the egg mixture.

Tried this recipe for yourself? Leave a comment and photos below!

Follow on Instagram, Facebook, Pinterest, and YouTube

• Instagram
• Facebook
• Pinterest
• YouTube

---