This is a test of commonsense. Complete the next sentence:

How to make pancake mix
Stir all the ingredients together.
When preparing any of the home-style, dry buttermilk, liquid buttermilk, or sour cream pancake mixes, all the dry ingredients should be thoroughly mixed in a large mixing bowl.
When making a pancake mix, you should only combine the dry ingredients.
Each mix requires you to add liquid ingredients before cooking pancakes, but these liquid ingredients should not be included in stored mixes. For best results, sift together lumpy ingredients like flour and cornmeal before stirring them into the other ingredients.