Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to make peppermint ice cream [title] Heat the half-and-half and sugar into a large saucepan. [step] Stir over low heat and have it simmer. [title] Beat the egg yolks in a separate bowl with a whisk, until they resemble a light yellow color.

Ending1: [step] Separate the yolks from the eggs if they did not coat the base with egg yolks. [title] Add the half-and-half and vanilla extract and beat until light golden. Ending2: [step] Add the vanilla and run it through the filter in the saucepan. [title] Slowly whisk in the pieces of sour cream and the spices into the egg yolks. Ending3: [title] Slowly pour the half-and-half mixture into the egg yolks. [step] Whisk quickly until well-combined and then pour it back into the saucepan. Ending4: [step] It is done when the yolks develop translucent and the mixture begins to bubble. [title] Add the half-and-half, and whisk it in a separate bowl.

Answer format: ending1/ending2/ending3/ending4