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.
Q: Cream first 5 ingredients together carefully.,Stir in flour. Pat mixture, which may be crumbly, into a greased large cookie pan.,______,(Dough will appear soft, but will be done.),While hot, sprinkle chocolate chips on top and spread over as they melt.,Sprinkle with chopped nuts (if desired).,Cut into bars or squares when cooled.
A:
Bake at 350 for 15 to 20 minutes.