Detailed 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.
Q: Combine sugars, soda and flour.,Cut in butter until particles are size of cornmeal.,(Reserve 1/2 cup of this mixture for the topping.),Add vanilla and buttermilk to remaining mixture.,Mix well.,Pour into a greased 9 x 13-inch pan.,Add nuts and chips to reserved mixture and sprinkle over batter.,______
A:
Bake at 350 for 30 minutes.