Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to make popcorn brownies [title] Preheat your oven to 375º fahrenheit (190º celsius). [title] Grease and line a 9 x 9 inch baking tray. [step] It should be about an inch deep, but you can also line the pan with aluminum foil if you'd like.

Ending1: [title] Sprinkle the baking soda, sugar, nuts, and salt into a clean bowl and mix until well mixed. [title] Mix the dry ingredients in a small mixing bowl. Ending2: Use a thermometer to check the temperature. ( if you don't have the thermometer, get a non stick pan or contact your local home improvement store. Ending3: [title] Melt your butter or margarine. [step] Melt your butter/margarine in a small pan over a low heat for a minute or two. Ending4: [title] Divide your popcorn into 1/4 " 12 " pieces. [step] Place this near the center section of the baking tray, spacing the pieces half-on or 1/2 " up.

Answer format: ending1/ending2/ending3/ending4