Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to make gluten free brownies [title] Oil a 13x9 pan. [step] ( do not use crisco, or the ingredients will stick to the pan. ) set the pan aside.

Ending1: [title] Combine the dry ingredients (sugar, baking powder, baking soda, salt) with half of the dry ingredients. [step] ( you will need additional bananas in order to mix the wet ingredients. Ending2: [title] Prepare two baking sheets (1/2 inch wide) and an 8-inch (20x20-cm) round glass baking dish. [step] ( avoid ash or simmering anymore. Ending3: [title] Mix the dry ingredients, such as butter and milk, with the wet ingredients. [step] Mix until the dry ingredients are even. Ending4: [title] Melt the chocolate and butter together in saucepan or microwave. [step] Let it cool off for a while.

Answer format: ending1/ending2/ending3/ending4