4 c  Flour
1/4 c  Nonfat dry milk powder
2 tb Baking powder
1 tb Sugar
1 1/2 ts Salt
7 tb Vegatable shortening
1/4 c  Unsalted butter

In bowl stir in flour, milk powder, sugar and salt until well
blended. Cut in shortening and butter until crumbly and all fat has
been absorbed. Refrigerate in container with tight fitting lid up to
6 weeks.