[header] How to make a frittata [title] Heat your pan. [step] Add 1 tablespoon of butter to your pan and turn the heat on to medium-high heat. Let the butter melt and heat your pan. 
You can cook your frittata in a 12-inch nonstick saute pan or cast-iron skillet. The pan doesn't have to have shallow sides since you won't be flipping or folding the frittata.