Instructions: 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.
Input: ______,Prepare Dinner as directed on package.,Add soup, tuna, peas, milk and onion; mix lightly.,Spoon into 2-qt.,casserole dish.,Mix crumbs and butter; sprinkle over Dinner mixture.,Bake 30 to 35 min.,or until heated through.,Garnish with fresh chives and chopped tomato, if desired.
Output:
Preheat oven to 350F.