Preheat oven to 400°F.

Lightly spoon flour into dry measuring cups and level with a knife.

Combine flour, sugar, salt, and baking powder in a food processor.

Pulse 4 times to combine dry ingredients.

Add chilled vegetable shortening to the food processor.

Pulse 6 times or until the shortening is well blended into the flour mixture.

Add cold low-fat milk and ice water to the food processor.

Process for 1 1/2 minutes until the dough has a shiny appearance.

Turn the dough out onto a lightly floured surface.

Cover the dough and let it stand for 5 minutes.

Uncover the dough and roll it to about 1/2-inch thickness.

Cut the dough with a 2-inch round cutter.

Reroll any scraps of dough.

Place the dough circles on a baking sheet.

Pierce the tops of the dough circles with a fork.

Bake at 400°F for 18 minutes or until lightly browned.