Biscuit Mix

4 - 1/2 cups all purpose flour
5 tsp baking powder
1 tsp salt
5 tbs solid shortening
3 tbs unsalted butter

Cut up in a large bowl. Whisk together dry ingredients. With electric mixer on low, or #2 of a 3-speed mixer, cut in fats until uniform in texture and fat particles are no longer visible. Remove from mixer. Divide among 3 air tight containers. Keep refrigerated for up to one month. Recipe is easily doubled, tripled, etc. 

Best biscuit mix you'll ever use, guaranteed.