Definition: In this task, you will be presented with the directions of a recipe separated by "," and have to fill in the "___" which is a step that is missing from the recipe.
Input: Preheat oven to 375f;.,______,cream butter and sugar till light and fluffy. beat in eggs one at a time.,add flour, mixed with the baking powder and salt, alternating with milk, beat well; stir in vanilla.,divide evenly among pans. let cook for 18 minutes. let cool in pans.
Output:
line cupcake cups with papers.