A firm omelet is a classic breakfast dish that comes in various forms, each with its own unique name and preparation method. Some of the popular synonyms for the firm omelet include Spanish omelet, French omelet, and frittata. The Spanish omelet is made with onions, potatoes, and eggs and is typically served as a tapa or an appetizer. The French omelet is a plain omelet made with eggs, butter, and salt and is cooked over low heat for a creamy, custard-like texture. The frittata is an Italian-style omelet that is baked in the oven, making it more crusty and firm than traditional omelets. Regardless of the name or recipe, a firm omelet is a satisfying breakfast choice that is sure to satisfy your hunger.