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.

Peel shirmp, if not already peeled, and devein if desired.,Melt butter in a large skillet over medium heat and stir in the dressing mixes.,______,Serve over your favorite pasta.
Add the shrimp and cook stirring constantly for 3-5 min, or until the shrimp turn pink.