Instructions: 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 350F.,Combine brownie mix, water, oil and egg.,Beat well with spoon.,______,Press one peanut butter cup into batter in each cup.,Bake 15-20 minutes or until brownie is set.,Cool completely.
Output:
Fill paper-lined mini-muffin cups about 1/2 full.