Introduction
These portable Breakfast Egg Muffins are your perfect solution for a busy morning. They combine savory bacon, earthy mushrooms, and melty cheddar cheese in a protein-packed, make-ahead package. You can easily customize them and enjoy a hot, satisfying breakfast all week long.
Prep & Cook Time
Prep Time: 20 minutes
Cook Time: 18 minutes
Total Time: 38 minutes
Servings: 12 muffins
Ingredients
- 1 tablespoon olive oil
- 4 ounces cremini (baby bella mushrooms, chopped)
- 1/2 red bell pepper (finely chopped)
- 8 eggs
- 3/4 cup milk
- 2 tablespoons chopped fresh parsley
- 1/2 teaspoon kosher salt
- 1/4 teaspoon ground black pepper
- Pinch ground nutmeg
- Nonstick cooking spray (PAM brand works best)
- 6 slices oven bacon (crumbled)
- 2 cups shredded Cheddar cheese (8 ounces)
Instructions
- Preheat your oven to 350°F (175°C). Generously spray a 12-cup standard muffin tin with nonstick cooking spray.
- Heat the olive oil in a skillet over medium heat. Add the chopped mushrooms and red bell pepper. Cook for 5-7 minutes, until the vegetables are softened and any liquid from the mushrooms has evaporated. Remove from heat and let cool slightly.
- In a large bowl, whisk together the eggs, milk, parsley, kosher salt, black pepper, and nutmeg until well combined.
- Evenly divide the cooled vegetable mixture among the 12 prepared muffin cups.
- Sprinkle the crumbled oven bacon evenly over the vegetables in each cup.
- Sprinkle the shredded cheddar cheese evenly over the bacon in each cup.
- Carefully pour the egg mixture over the fillings in each muffin cup, filling each about 3/4 of the way full.
- Bake for 16-18 minutes, or until the egg muffins are set in the center and the tops are lightly golden.
- Let the muffins cool in the pan for 5 minutes before running a knife around the edges to loosen and remove them. Serve warm.
Variations
- Crustless Quiche Style: For a more elegant presentation, pour the entire mixture into a greased 9-inch pie dish and bake at 350°F for 25-30 minutes.
- Individual Meal Prep: Place two cooled muffins in individual airtight containers for a grab-and-go breakfast.
- Lighter Bite: For smaller portions, use a 24-cup mini muffin tin and reduce the baking time to 10-12 minutes.
- Family-Style Serving: Instead of separating into muffins, bake the mixture in an 8×8-inch baking dish and slice into squares.
Tips for Success
- Let the cooked vegetables cool before adding them to the muffin tin to prevent them from cooking the egg prematurely.
- Don’t overfill the muffin cups; leaving a little space prevents overflow and makes for cleaner removal.
- Use an ice cream scoop or liquid measuring cup with a spout to evenly and cleanly distribute the egg mixture.
- For the best texture, avoid overbaking. The centers should be just set, as they will continue to cook slightly while cooling.
Storage & Reheating
Store cooled egg muffins in an airtight container in the refrigerator for up to 4 days. To reheat, place a muffin on a microwave-safe plate and heat for 30-45 seconds until warm, or wrap in foil and reheat in a 350°F oven for 8-10 minutes.
FAQ
Can I make these ahead of time?
Absolutely. You can bake them, cool completely, and store them in the fridge. Reheat in the morning for a quick breakfast.
Can I freeze Breakfast Egg Muffins?
Yes, they freeze beautifully. Place cooled muffins in a single layer on a baking sheet to flash-freeze, then transfer to a freezer bag for up to 2 months. Reheat from frozen in the microwave (about 60-90 seconds) or thaw overnight in the fridge first.
Why did my egg muffins deflate?
This can happen if they are overbaked or if there is too much air whisked into the egg mixture. Bake just until set and avoid vigorous whisking.
Can I use a different type of cheese?
While the recipe specifies Cheddar, you can use any good melting cheese you prefer, such as Monterey Jack, Gruyère, or a Mexican blend.
My muffins stuck to the pan. What went wrong?
Ensure you are using a generous amount of nonstick spray and that your muffin tin is in good condition (non-scratched). Letting them cool for 5 minutes and loosening the edges with a knife is also crucial.
Can I use fresh bacon instead of oven bacon?
Yes, you can. Cook 6 slices of regular bacon until crisp, then drain and crumble it. Oven bacon is specified for convenience and less grease.

