Prep Time: 10 minutes
Cook Time: 20–25 minutes
Total Time: 30–35 minutes
Servings: 12 egg muffins

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Ingredients

• 10 large eggs
• 1 cup fresh spinach, chopped
• 1 cup mushrooms, finely sliced
• 1/2 cup diced onion
• 1/2 cup diced red bell pepper
• 1 cup shredded cheddar or mozzarella cheese
• 2 tablespoons milk (optional, for fluffier eggs)
• 1 tablespoon olive oil
• 1 teaspoon garlic powder
• 1/2 teaspoon onion powder
• 1/2 teaspoon smoked paprika
• 1/2 teaspoon dried oregano
• 1/2 teaspoon salt
• 1/4 teaspoon black pepper
• Non-stick cooking spray or additional olive oil for the muffin pan

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Equipment

• 12-cup muffin pan
• Large mixing bowl
• Whisk
• Skillet
• Measuring cups and spoons

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Instructions

Step 1: Prepare the Oven

Preheat the oven to 375°F (190°C).

Lightly grease a 12-cup muffin pan with cooking spray or olive oil.

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Step 2: Cook the Vegetables

Heat olive oil in a skillet over medium heat.

Add:

• Onion
• Mushrooms

Cook for 4–5 minutes until softened.

Add:

• Spinach
• Bell pepper

Cook for another 1–2 minutes until the spinach is wilted.

Remove from heat and let cool slightly.

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Step 3: Prepare the Egg Mixture

In a large bowl whisk together:

• Eggs
• Milk
• Garlic powder
• Onion powder
• Smoked paprika
• Oregano
• Salt
• Black pepper

Whisk until smooth.

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Step 4: Fill the Muffin Pan

Evenly divide the cooked vegetables among the muffin cups.

Sprinkle shredded cheese over the vegetables.

Pour the egg mixture into each cup until about 3/4 full.

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Step 5: Bake

Bake for 20–25 minutes, or until the egg muffins are puffed, golden, and the centers are fully set.

A toothpick inserted into the center should come out clean.

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Step 6: Cool

Allow the muffins to cool for 5 minutes.

Carefully loosen the edges with a butter knife and remove from the pan.

Serve warm.

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Serving Suggestions

• Fresh fruit
• Greek yogurt
• Whole-grain toast
• Avocado slices
• Cottage cheese
• Turkey bacon
• Breakfast potatoes
• Mixed green salad

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Storage

Refrigerator: Store in an airtight container for up to 5 days.

Freezer: Freeze in a freezer-safe bag or container for up to 3 months.

Reheating:

• Microwave: 30–45 seconds.
• Oven: 350°F (175°C) for 8–10 minutes.
• Air Fryer: 325°F (163°C) for 4–5 minutes.

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Tips for Success

• Sauté the mushrooms first to remove excess moisture.
• Do not overfill the muffin cups.
• Use silicone muffin liners for easy removal.
• Add cooked chicken, turkey, or turkey sausage for extra protein.
• Mix in feta, Swiss, or pepper jack cheese for different flavors.

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Nut Information

Nut-Free: Yes, this recipe does not contain peanuts or tree nuts.

Common Allergens

• Eggs
• Milk (cheese and optional milk)

Cross-Contamination

If serving someone with a severe nut allergy:

• Use certified nut-free cheese.
• Check packaged ingredients for allergen statements.
• Use clean utensils and cookware to avoid cross-contact.

Gluten-Free

This recipe is naturally gluten-free. Always verify that packaged ingredients are certified gluten-free if needed.

Dairy-Free Option

• Omit the cheese or use dairy-free shredded cheese.
• Replace the milk with unsweetened almond-free oat milk or another dairy-free alternative.

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Approximate Nutrition (Per Muffin)

• Calories: 115
• Protein: 10 g
• Carbohydrates: 2 g
• Fat: 7 g
• Saturated Fat: 2.5 g
• Cholesterol: 165 mg
• Sodium: 220 mg
• Fiber: 0.5 g
• Sugar: 1 g

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Questions & Answers

Q1. Can I make these ahead of time?
Yes. They are ideal for meal prep and can be refrigerated for up to 5 days.

Q2. Can I freeze them?
Yes. Freeze after cooling completely and store for up to 3 months.

Q3. How do I prevent the egg muffins from sticking?
Grease the muffin pan well or use silicone muffin liners.

Q4. Can I add meat?
Yes. Cooked chicken, turkey sausage, lean ground turkey, diced ham, or bacon are excellent additions.

Q5. Can I use frozen spinach?
Yes. Thaw and squeeze out all excess moisture before adding it to the mixture.

Q6. Why did my egg muffins deflate?
Egg muffins naturally deflate slightly as they cool. This is completely normal.

Q7. Can I make these without cheese?
Yes. Simply omit the cheese or use a dairy-free alternative.

Q8. What vegetables can I substitute?
Broccoli, zucchini, tomatoes, kale, asparagus, or diced peppers all work well.

Q9. Are these good for weight loss?
Yes. They are high in protein, low in carbohydrates, and make a filling, portion-controlled breakfast.

Q10. Can I serve these cold?
Yes. They taste great warm or chilled, making them perfect for packed lunches, breakfast meal prep, or quick snacks.