8 cups GF all purpose flour mix
4 cups white sugar
½ tbs salt
1 ½ tsp baking soda
1 lb vegetable shortening
In a very large mixing bowl, mix together all of the dry ingredients until well blended.
Cut in the shortening until the mixture is crumbly.
Store in an air-tight container for 3-4 months. (Freeze in a zip lock bag for longer storage)