This easy frittata recipe offers two delicious versions: a Garden Vegetable Frittata packed with sweet potato, zucchini, and red pepper, and a Mediterranean-Inspired Frittata featuring spinach, cherry tomatoes, artichoke hearts, and optional prosciutto. Both use eggs and cheese for a protein-rich, satisfying brunch or light meal that is simple to prepare in one skillet and baked to fluffy perfection.