Preheat oven to 400F.
Mix flour, cream of tartar, baking soda, sugar, and salt together. Slowly mix in the butter and when all of the butter is mixed in the mix in the milk.
Form into three round balls on floured board and then flatten. Partially cut through each of the three portions to make four pie-like portions.
Bake for 15 minutes. Cool for a few minutes then serve immediateley.
Get creative: based on the statistics of over 100,000 recipes, here are some other ingredients that are commonly used with the ingredients in this recipe that you might want to experiment by adding one or two of the following (amounts adjusted assuming you making 6 servings):
brown sugar: 5%
brown sugar: 2%
cream of tartar: 1%
brown sugar: 1%
brown sugar: 14%