Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to make galaxy frosting [title] Beat together the cream cheese and butter in a large bowl. [step] Blend well on high speed for about 2-3 minutes using an electric mixer. [title] Add two cups of the confectioners' sugar at a time.

Ending1: [step] Blend on high for about 1 minute then add the cream cheese and butter, mixing on high speed for about 1 minute. Pour the butter into a microwave safe bowl. Ending2: [step] Blend for an additional 2-3 minutes on medium high speed. Mix between each stir until the frosting comes out smooth with no confectioners' sugar streaks. Ending3: [step] Sift it into the melted mixture. [title] Beat on low speed until the sugar has dissolved and the egg yolks turn a light yellow. Ending4: [step] If you don't have an electric mixer, you can use a plastic mixing bowl. The butter and sugar mix best if you mix the two ingredients together at 0.

Answer format: ending1/ending2/ending3/ending4