Please choose the correct solution to the question: How To make a sweet vanilla Souffle

Solution1: To make a sweet vanilla Souffle, heat one cup of milk in a saucepan just until it comes to a rolling boil.

Solution2: To make a sweet vanilla Souffle, heat one cup of milk in a saucepan just until it starts to steam. Do not boil the milk.

Answer format: solution1/solution2
Answer: solution2