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.

In a,large,skillet,,melt butter; add meat, onion and garlic.,Cook until meat is brown. Drain excess fat.,Stir in flour, then,add,soup, mushrooms, salt and pepper.,Simmer 10 minutes on low,heat.,Stir,______,sour,cream; heat to serving temperature.,Serve over buttered noodles. Serves 6.
Output:
in