Crack eggs into a nonstick skillet or saucepan
Add a small amount of butter or oil if desired
Place the pan over low to medium-low heat
Leave the eggs undisturbed
Cover the pan with a lid to help the eggs cook evenly
Cook until the whites are set and the yolks reach your preferred doneness
Remove from heat and serve
For fried eggs, cook until the edges are crisp and the whites are firm
For poached eggs, simmer water gently and let the eggs cook without stirring
For baked eggs, place eggs in a greased dish and bake until set
For hard-boiled eggs, place eggs in boiling water and cook without stirring