I used to resort to the “flip” method of frittatas until I read Marcella Hazan’s Essentials of Classic Italian Cooking. Hazan preferred the “non-flip” method that simply leaves the frittata in the oven until it is completely cooked. I have since resorted to this method. Also, I don’t find it necessary to have a non-stick pan to have a successful frittata. With enough butter or olive oil to coat the skillet, the frittata comes out nicely. Finally, don’t be afraid to eat this anytime of the day– breakfast, lunch or dinner. It’s great with crusty bread and a nice salad.