Name: Whoopie Pies
Prep time: 1 h 15 min
Cook time: 1 h 15 min
Total time: 1 h 15 min
Yield: 15
Cuisine: Global
Ingredients: 1 teaspoon baking powder; 1 teaspoon baking soda; 118 milliliters butter , softened; 237 milliliters cocoa; 887 milliliters confectioners sugar; 1 Tbsp cream of tartar; 118 milliliters crisco; 2 eggs; 79 milliliters flour , plus; 355 milliliters milk; 1 teaspoon salt; 315 milliliters sour milk (to make sour milk, add 1 tsp cider vinegar and let stand for 1/2 hour); 473 milliliters sugar; 2 teaspoons vanilla