Please choose the correct solution to the question: To frost a freshly baked cake

Solution1: wait for both the cake and your frosting to reach freezing temperature. This may take several hours but is necessary to achieve a completely smooth cover of frosting.

Solution2: wait for both the cake and your frosting to reach room temperature. This may take several hours but is necessary to achieve a completely smooth cover of frosting.

Answer format: solution1/solution2