Instructions
Start by preparing your muffin pan. Lightly grease each cup with butter, oil or nonstick spray. This step ensures the muffin cups come out easily after baking and keeps the edges beautifully crisp.
Heat a pan over medium heat and add the olive oil or butter. Add the diced onion if you are using it and cook until soft and fragrant. Stir in the garlic and cook briefly until it releases its aroma. Add the chopped spinach and allow it to wilt. This only takes a minute or two. Remove the mixture from the heat and set it aside to cool slightly.
Crack the eggs into a large mixing bowl and whisk until smooth. Season the eggs with salt and pepper. If you enjoy a richer texture, you may add a splash of milk or half-and-half, though it is optional. Fold in the cooked spinach mixture. Add the cheese and gently mix everything together.
Divide the mixture evenly into the muffin pan, filling each cup about two thirds full. The mixture will puff slightly during baking, but it will settle again as it cools.
Place the pan into a preheated oven at 350°F (about 180°C) and bake for 18 to 22 minutes. The muffin cups should be set in the center and lightly golden around the edges. When done, allow them to rest in the pan for a few minutes before lifting them out.
Serve warm as a comforting breakfast, or let them cool completely before storing. They keep well in the refrigerator for three to four days, making them ideal for meal prep. You can reheat them in the microwave for quick mornings or enjoy them straight from the fridge for a cool, protein-rich snack.
What Makes These Muffin Cups Special
These spinach and egg muffin cups stand out for their simple preparation and adaptability. You can add nearly any ingredients you enjoy. If you like a touch of heat, a sprinkle of crushed red peppers works wonders. If you prefer a heartier cup, include small pieces of cooked sausage or bacon. For extra vegetables, mushrooms, bell peppers or even zucchini blend nicely with the eggs.
They also work well for feeding groups or households of different tastes. You can divide the egg mixture into bowls and create a variety of muffin types in one pan. Some can be cheese-heavy while others can be vegetable-packed. Everyone gets something they like without creating separate dishes.
These cups are also portable. Pack a couple in a lunchbox or take them with you on the way to work. They do not require utensils, making them an easy option for on-the-go eating. They freeze beautifully too. If you want to make a large batch, freeze them individually and thaw them overnight or warm them directly from frozen.
Tips for the Best Results
Do not overfill the muffin cups. Leaving some room at the top helps them bake evenly.
If you add vegetables with high moisture content such as tomatoes or mushrooms, sauté them first to remove excess liquid.
Use silicone muffin cups if you want the cleanest release with no sticking at all.
Avoid overbaking. Removing them from the oven as soon as they are set ensures a tender and soft texture.
Choose cheeses you enjoy. Feta adds tanginess, cheddar gives richness and mozzarella melts beautifully.
Serving Ideas
