Cream sugar and butter.

Add egg, milk, and vanilla; beat well.

Stir together flour, baking powder, mace, and 1/2 teaspoon salt; blend into creamed mixture.

Divide in half.

Cover; chill 1 hour.

Preheat oven to 375 degrees F.

On lightly floured surface, roll each half to 1/8-inch thickness, if dough is too soft to roll and cut nicely knead in more flour, a little at a time, until it's a good consistency. .

Cut with cookie cutters.

Sprinkle with vanilla sugar if using.

Bake on ungreased cookie sheet at for 7 to 8 minutes.