Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to bake plain muffins [title] Preheat to 170ºc/325ºf. [title] You need a bowl and a fork to mix with. [title] Add flour, milk, sugar, and baking powder. [title] Mix for 1 to 2 minutes.

Ending1: [title] Beat the mixture with a fork to make it fluffy. [title] Add the mustard to the mixture and mix again. Ending2: [title] Move to the center, with the bowl in front of you. [title] With a spatula, gently roll the cupcake batter and press over the top. Ending3: [step] Then add the butter and egg (s). [title] Add a teaspoon of vanilla. Ending4: [title] Pour the crumb mixture into the bowl. [title] Add basting compound to improve texture.

Answer format: ending1/ending2/ending3/ending4