Please choose the correct ending to complete the given sentence: Food and Entertaining: [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.

Ending1: [substeps] Your pan should be able to accommodate four to six frittata dishes. If your pan is too large, place two bowls inside to round off your frittata's serving sizes. Ending2: You may need to check the gas stove often. Most griddles will have a fire extinguisher on one side. Ending3: [substeps] Since you can use cans or bowls, you'll want to be sure not to over-heat your pan. Put the lid on your pan when you turn on the heat. Ending4: 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.

Answer format: ending1/ending2/ending3/ending4