Baked Asparagus and Mushroom Egg Cups

These healthy asparagus and mushroom egg cups are a delicious low-carb breakfast option with about 4 grams of protein per cup. They come together quickly—ready in under 30 minutes—and offer a satisfying combination of savory mushrooms, tender asparagus, and gooey melted cheddar.

If you enjoy egg cups, this version is a great vegetarian choice that still delivers protein and a generous serving of vegetables. They work well for meal prep, reheating easily throughout the week, and make a smart, portable breakfast or snack.

The Perfect High-Protein Breakfast

These egg cups are ideal when you want something that’s fast, nutritious, and filling. Each cup combines whole eggs, a little milk, sautéed shiitake mushrooms, onions, garlic, and chopped asparagus, finished with a sprinkle of shredded white cheddar. The result is a light frittata-style bite that’s high in protein, low in carbs, and full of flavor.

They’re particularly handy for busy mornings. Make a batch on Sunday night and store them in the refrigerator for quick breakfasts during the week. Depending on your appetite and activity level, two to three egg cups typically make a satisfying serving.

Preventing Sticking: Don’t Ruin Your Egg Cups

One common problem with egg cups is sticking. To avoid that mini disaster, take one of these precautions before baking:

• Use a non-stick muffin tin.
• Spray the muffin tin with non-stick cooking spray.
• Use muffin liners and spray them lightly as well.

For best results, spray both the tin and the liners. This extra step helps ensure the egg cups release cleanly without tearing.

What to Serve with Egg Cups

If you plan to make egg cups the main breakfast for the week, consider pairing them with complementary sides for a balanced meal:

• Place an egg cup on a slice of whole-grain toast for added texture and carbs.
• Serve on a bed of massaged or lightly dressed leafy greens for extra vegetables.
• Fresh fruit on the side provides a pleasant sweet contrast to the savory egg cups.

They also work well with avocado slices, a spoonful of Greek yogurt, or a small mixed salad for more volume and nutrients.

Egg Cups 101

Can I use raw asparagus?

Yes. Raw asparagus can be used, but sautéing it first softens the stalks and adds flavor. A quick sauté also reduces water content so the egg cups set properly without becoming watery.

What other vegetables can I use?

Swap in almost any non-root vegetable you have on hand—bell peppers, spinach, zucchini, or broccoli florets work well. Avoid large chunks or dense root vegetables that need more cooking time; chop all vegetables into bite-size pieces for even cooking.

How do I store these egg cups?

Store cooled egg cups in an airtight container in the refrigerator for up to 5 days. Reheat in the microwave or oven until warmed through. Let them cool completely before refrigerating to preserve texture and prevent condensation.

Can I freeze egg cups?

Freezing is not recommended for this recipe due to texture changes in eggs and vegetables when thawed, though some people do freeze similar egg bites successfully. If you choose to freeze, wrap individually and expect a slight change in texture after thawing and reheating.

Recipe: Asparagus and Mushroom Egg Cups

Asparagus and Mushroom Egg Cups

Quick, healthy egg cups with shiitake mushrooms, asparagus, onions, garlic, and a touch of cheddar. Ready in under 30 minutes and great for meal prep.

Ingredients

• 2 tablespoons olive oil
• 1/4 medium yellow onion, finely diced
• 4 oz shiitake mushrooms, diced
• 1 tablespoon minced garlic
• 1/2 lb chopped asparagus
• 6 large eggs
• 3 tablespoons milk (any kind)
• 1/8 teaspoon salt
• 1/8 teaspoon ground pepper
• 1/3 cup shredded white cheddar cheese, divided

Instructions

1. Preheat the oven to 350ºF. Generously spray a muffin tin with nonstick cooking spray and set aside.
2. Heat olive oil in a large nonstick pan over medium-high heat. Add the diced onion and sauté for about 3 minutes until softened and fragrant.
3. Add the diced shiitake mushrooms and minced garlic. Sauté for another 3 minutes, then add the chopped asparagus and cook for an additional 3 minutes until the asparagus is tender-crisp.
4. While the vegetables cook, whisk together the eggs, milk, salt, and pepper in a bowl. Set aside.
5. Spoon about 1–2 tablespoons of the cooked vegetables into each muffin cup so each is roughly half full.
6. Fill each muffin cup with the egg mixture about two-thirds full. Reserve approximately 1/4 cup of the shredded cheddar to sprinkle on top later.
7. Bake at 350ºF for 15 minutes. Remove the pan from the oven, sprinkle the remaining cheddar over the cups, and bake for another 2–3 minutes until the cheese melts and the eggs are set.
8. Let cool slightly before removing from the tin. Serve warm or chill for later.

Tips & Notes

• This recipe was slightly updated on February 19, 2020.
• For a dairy-free version, omit the cheese or substitute a dairy-free shredded option.
• Add fresh herbs like chives, parsley, or dill for extra brightness just before serving.
• If you prefer a firmer texture, bake 1–2 minutes longer; for softer cups, reduce bake time slightly.

Nutrition

Per egg cup: Calories: 76 kcal, Carbohydrates: 1 g, Protein: 4 g, Fat: 6 g, Fiber: 1 g, Sugar: 1 g

Nutrition information is an approximation and should be used as a general guideline.