Question: how can you soften butter?
Options:
leave the butter sit out of the refrigerator for an hour before use.
Put a large pan of ice on the bottom rack of the cold oven. Put the butter in a  small bowl and set the small bowl in the oven directly above the pan of ice Keep changing the ice as it melts. Wait for butter to soften.
Answer: leave the butter sit out of the refrigerator for an hour before use.