by craftbits (shellie wilson)
What you need
9 cups sifted all-purpose flour or 10 cups sifted soft wheat or cake flour
1/3 cup baking powder
1 tablespoon salt
1 teaspoon cream of tartar
1/4 cup sugar
2 cups shortening which does not require refrigeration
Stir baking powder, salt, cream of tartar and sugar into flour.
Mix in shortening till it resembles a crumbly mix. Store in covered containers at room temperature.
This mix makes 13 cups of pre-made mix.