This healthy vegetarian frittata recipe will quickly become a new favorite in your home. It’s super easy to make, has only 15 minutes of prep time, and is a low fat.
Heat Oil and Onions: Heat a little olive oil in a cast iron pan over medium heat and add the onion, garlic and zucchini. Sauté veggies with a cook time of about 4-5 minutes.
Combine Eggs With Other Ingredients: Pour the egg mixture over the cooked vegetables and crumble feta or mozzarella cheese over the top in a baking dish.
Bake: Place your cast iron skillet directly in the oven. Bake for 25 minutes at 375 F / 180 C until the frittata is set in the middle and slightly golden on top.