Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to make ice cream [title] Simmer the milk. [step] Pour 3 cups (710 ml) of whole milk into a medium pot and place it on the stove. Heat the milk on medium-high for about 5 minutes or until it comes to a simmer.

Ending1: Take it off the heat as soon as bubbles form on the surface, and allow it to cool. [substeps] You can substitute heavy cream or a combination of whole milk and heavy cream if you prefer. Ending2: [substeps] Many people prefer this over vegetable milk. Vegetables used in salsa or sour cream are often used instead of corn syrup. Ending3: Leave the door cracked to let the milk itself be processed. [substeps] This milk does not contain any other carbohydrates or sugars in it. Ending4: You want the water to be thick and simmering the milk over medium heat will help it thicken. [substeps] Note that there will be some extra space on the top of the pot because of the cooking time and the milk volume of the stove.

Answer format: ending1/ending2/ending3/ending4