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.

Chop onion and chipped beef.,Mix sour cream, mayo, parsley and dill weed with chopped onion and chipped beef.,Scoop out middle of rye bread and cut into cubes.,______,Put filling in the middle of the cut-out loaf of bread. Eat dip with bread.,Serves a party!
Place on a tray around hollow rye bread.