Cream shortening; gradually add sugar, beating well.
Sift together flour, baking powder, and salt. Combine egg yolks, milk, and vanilla. Add flour mixture to creamed mixture alternately with egg yolk mixture, beginning and ending with flour mixture; beat on medium speed of electric mixer for 3 minutes.
Spoon batter into greased muffin pans, filling half full. Bake at 375° for 20 minutes or until cupcakes test done. Cool in pans 10 minutes; remove from pans, and cool completely. If desired, spread any frosting over tops of cupcakes.
Oxmoor House Homestyle Recipes