Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to make heavenly rolls [title] Scald the milk over medium high heat. [step] Pour it into a large bowl or the bowl of an electric mixer and add the butter. Stir the butter into the milk and set the bowl aside until the mix is lukewarm.

Ending1: [title] Wash and peel the potatoes in a large bowl. [step] Scatter the peeled potatoes with ½ cup of flour and five tablespoons of granulated sugar. Ending2: [substeps] You can prep the butter by heating it briefly or by softening it with a teaspoon, then gradually adding the milk when it's almost cold. [title] Heat the milk and add the egg. Ending3: [title] Add the beetroot to the milk and mix gently to prevent lumps from forming. [step] Once the beetroot is heated, drop in the blackberries and check the color. Ending4: [title] Stir the yeast & sugar into the milk. [step] Allow to sit for at least 3 minutes.

Answer format: ending1/ending2/ending3/ending4