Ingredients:
- 6 large eggs
- 1/4 cup milk
- 1 cup chopped fresh spinach
- 1 cup sliced mushrooms
- 1/2 cup shredded cheese
- 1 tablespoon olive oil
- Salt and pepper to taste
- 1/2 cup diced bell peppers (optional)
- 1/4 cup finely chopped onion (optional)
- Fresh herbs for garnish (optional)
Instructions:
- Preheat oven to 375°F (190°C).
- In a large oven-safe skillet, heat olive oil over medium heat. Add mushrooms and any optional onions/bell peppers. Sauté until softened.
- Add chopped spinach and cook until wilted.
- In a bowl, whisk together eggs, milk, salt, and pepper until fully combined.
- Pour the egg mixture into the skillet, stirring gently to distribute the vegetables evenly.
- Sprinkle shredded cheese on top of the mixture.
- Cook on medium-low heat for 5-7 minutes, or until the edges begin to set.
- Transfer the skillet to the preheated oven and bake for 15-20 minutes, or until the frittata is puffed and a toothpick inserted in the center comes out clean.
- Remove from oven, let it cool slightly, then slice and serve warm, garnished with fresh herbs.