Sourdough Refrigerator Biscuits - cooking recipe

Ingredients

1 envelope dry yeast
1/2 c. warm water (105~)
6 c. all-purpose flour
1 Tbsp. baking powder
1 tsp. soda
1 1/2 tsp. salt
3 Tbsp. sugar
1 c. shortening
1 c. sourdough starter
2 c. buttermilk

Preparation

Grease a 10-cup plastic container with a tight fitting lid; set aside.
Sprinkle yeast over water.
Set aside to soften 5 minutes.
In a large bowl, stir together flour, baking powder, soda, salt and sugar.
Use a pastry blender or two knives and cut in shortening until mixture resembles coarse crumbs; set aside.