You will be given a definition of a task first, then some input of the task.
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.

Melt margarine in a 13 x 9-inch baking dish.,Sprinkle crumbs over margarine.,______,Top with chips.,Press down firmly.,Bake at 350 for 25 minutes.
Output:
Pour sweetened condensed milk over crumbs.