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.

Spread green beans in casserole or 9 x 13-inch pan.,Place chicken (cut in small pieces) on top.,Mix soups (undiluted) and sour cream together.,(I usually add some onion flakes and grated cheese to the soup mixture.),______,Mix stuffing according to package directions; cover chicken.,Bake at 350 for about 1 hour.
Output:
Spread on casserole.