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.

Mix first six ingredients and place in baking dish.,For topping, mix brown sugar, flour and pecans.,Spread on top of sweet potato mixture.,______,Bake at 350 degrees for 30 minutes.
Drizzle melted butter over topping.