Given the task definition and input, reply with output. 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.

Heat oven to 325.,Prepare pie shell. Do not prebake. Sprinkle cashews in pie shell.,Slice zucchini and saute in melted butter until crisp-tender.,______,Layer on top of cashews.
Add salt and pepper.