What is the best way to: How to make smores.

Choose your answer from: a. preheat oven to 400 degrees, lay graham cracker on cookie sheet top with chocolate pieces and then marshmallow and put in cold oven for 3-4 minutes, then top with remaining half of graham cracker.. b. preheat oven to 400 degrees, lay graham cracker on cookie sheet top with chocolate pieces and then marshmallow and put in oven for 3-4 minutes, then top with remaining half of graham cracker..
Answer:
b.