
Make-ahead egg muffins with mild veggies and cheese.
Lunchbox-Ready Egg Cups
Tiny, custardy egg muffins studded with mild veggies and melty cheddar — made ahead so mornings (and snacks) run smoother.
These little egg cups solve the same problem every parent knows: hurried mornings and picky palates. The texture is what sells them — a tender, custardy interior from whisking the eggs with a splash of milk, pockets of soft, sweet red pepper and spinach, and ribbons of melted cheddar that make each bite familiar and comforting. Because the veggies are mild and finely prepped, even finicky eaters are more likely to try — and enjoy — them.
A few simple technique choices make a big difference. Quick-sautéing the bell pepper and green onion softens their bite and concentrates their flavor, while grating the zucchini and squeezing out excess moisture keeps the muffins from turning soggy. Whisk the eggs until slightly frothy so the finished cups are light rather than rubbery, and use nonstick spray or silicone liners so the bottoms come out cleanly.
They’re perfect to make in a batch: bake a dozen, refrigerate for grab-and-go breakfasts or packable lunches, or freeze extras individually for longer storage. Reheat gently in the microwave for a minute or warm in a 325°F oven until heated through; they hold up well and travel without falling apart, which is half the battle with kids’ food.
If you want to riff, sneak in a little cooked bacon or swap cheddar for mozzarella or pepper jack to change the vibe. Serve warm with fruit, a smear of avocado, or a small ramekin of ketchup for dipping — all kid-approved shortcuts to getting protein into the day.
Ingredients
How to Make Breakfast Egg Muffins
- Preheat the oven to 350°F (175°C) and lightly grease a 12-cup muffin tin with nonstick spray or line with silicone liners.
- Wash and finely dice the red bell pepper, grate the zucchini and squeeze out excess moisture in a clean towel, chop the spinach roughly, and slice the green onions.
- Heat the olive oil in a medium skillet over medium heat; add the bell pepper and green onion and sauté 2–3 minutes until softened, then add the zucchini and spinach and cook 1–2 more minutes until the spinach wilts; remove from heat and cool slightly.
- In a large bowl whisk the eggs with the milk, kosher salt, and black pepper until blended and slightly frothy.
- Stir the cooled vegetable mixture and the cheddar cheese into the egg mixture until evenly combined.
- Divide the mixture evenly among the 12 muffin cups (about 3 tablespoons per cup) and tap the tin once to level the tops and release any air bubbles.
- Bake in the preheated oven 18–22 minutes, or until the muffins are set in the center and lightly golden on top; let cool in the tin 5 minutes, then transfer to a wire rack.
- Serve warm, or cool completely and refrigerate in an airtight container for up to 4 days or freeze for up to 2 months; reheat covered in the microwave 30–60 seconds per muffin.
Recipe Card
Breakfast Egg Muffins
Make-ahead egg muffins with mild veggies and cheese.

- Prep
- 15 min
- Cook
- 22 min
- Servings
- 4
Ingredients
Instructions
- Preheat the oven to 350°F (175°C) and lightly grease a 12-cup muffin tin with nonstick spray or line with silicone liners.
- Wash and finely dice the red bell pepper, grate the zucchini and squeeze out excess moisture in a clean towel, chop the spinach roughly, and slice the green onions.
- Heat the olive oil in a medium skillet over medium heat; add the bell pepper and green onion and sauté 2–3 minutes until softened, then add the zucchini and spinach and cook 1–2 more minutes until the spinach wilts; remove from heat and cool slightly.
- In a large bowl whisk the eggs with the milk, kosher salt, and black pepper until blended and slightly frothy.
- Stir the cooled vegetable mixture and the cheddar cheese into the egg mixture until evenly combined.
- Divide the mixture evenly among the 12 muffin cups (about 3 tablespoons per cup) and tap the tin once to level the tops and release any air bubbles.
- Bake in the preheated oven 18–22 minutes, or until the muffins are set in the center and lightly golden on top; let cool in the tin 5 minutes, then transfer to a wire rack.
- Serve warm, or cool completely and refrigerate in an airtight container for up to 4 days or freeze for up to 2 months; reheat covered in the microwave 30–60 seconds per muffin.
Nutrition
- Carbohydrates
- 4
- Saturated Fat
- 10
- Sodium
- 640
- Fiber
- 1
- Unsaturated Fat
- 12.8
- Protein
- 21
- Fat
- 23
- Cholesterol
- 405
- Trans Fat
- 0
- Calories
- 306
- Sugar
- 2