Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to make brownie christmas trees [title] Preheat the oven and prepare your baking pan. [step] Turn on the oven to 350 degrees f (176 c). Get out a rimmed half-sheet pan that measures 13x18-inches (33 x 45 cm).

Ending1: It should be about 1-inch deep. Spray the pan with baking spray or butter and flour the pan so the brownies won't stick. Ending2: Put 4 cups (575 g) of nonstick spray spray into the pan and set it aside. [substeps] You can substitute other non-stick spray if you prefer. Ending3: Remove the plastic wrap on the top of the pan and put it in the oven. Set the temperature to 350 degrees f (176 c). Ending4: Line the pan with parchment paper or wax paper to catch any excess grease. [substeps] To encourage mold, lightly grease the pan with cooking spray.

Answer format: ending1/ending2/ending3/ending4