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 thoroughly meat, onion and salt and pepper to taste. Sprinkle lemon juice over meat and let stand while rolling out dough.,______,Roll out and cut with a glass (size of biscuits), then roll biscuits real thin. Fill center with meat mixture (size of a walnut), then pinch 3 corners, leaving center open.,Bake in hot oven until dough is golden brown.
(Follow instructions on box for pizza.)