Sift flour, baking powder, and salt three times into a large bowl.

Cut in shortening with a pastry blender until mixture resembles fine crumbs.

Store mixture in airtight container in the refrigerator up to 4 months.

Use whenever your recipe calls for "Bisquick mix".

Prep Time: 5 Mins

Bake Time: 30 Mins

Yield: Makes 1 dozen

Whisk together milk and mayonnaise until smooth. Stir milk mixture into flour just until blended.

Butter a 10-inch cast-iron skillet; place in a 425° oven for 3 minutes.

Remove skillet from oven; drop batter by rounded 1/4 cupfuls into hot skillet, dropping 8 around edge and 4 in center. (Biscuits will touch.)

Bake at 425° for 25 to 30 minutes or until lightly browned.