Mix first 5 ingredients in large bowl. Add shortening. Use pastry blender or two knives to cut in shortening.
In small cup dissolve yeast in warm water. Add dissolved yeast and buttermilk to flour mixture. Mix Well.
Roll dough to 1/4 inch thickness on floured wax paper. Cut biscuits and dip into melted margarine. Fold in half and put into greased pan allowing biscuits to touch each other. Bake in preheated 400F oven for 15 minutes.
Yield: 6 dozen.
Cajun Country -- New Iberia, Louisiana