Please choose the correct solution to the question: To prepare a baking pan for bacon marshmallows.

Solution1: Prepare an 8x8 baking pan by rubbing the bottom and sides with strained bacon fat, or non-stick cooking spray.

Solution2: Prepare an 8x8 baking pan by rubbing the outside with strained bacon fat, or non-stick cooking spray.

Answer format: solution1/solution2
Answer: solution1