Sesame Seed Pastry

1/2 cup boiling water
1 cup shortening
3 cups all-purpose flour
2 teaspoons salt
1 teaspoon baking powder
1/4 cup sesame seeds

Pour boiling water over shortening and stir until shortening melts and mixture is cold and creamy. Sift flour with salt and baking powder. Stir flour mixture into shortening. Add seeds. Form a ball, cover and chill.

Roll 1/8 inch thick on lightly floured board. For baked shell, prick with fork and bake at 450 degrees F for 15 minutes.

Yields 4 (9-inch) crusts or 12 tart shells.