Meme's Sugar Cookies

3 cups all purpose flour
3/4 teaspoon baking powder
1 cup unsalted real butter, softened
1 cup sugar
1 egg, beaten
1 tablespoon milk
powdered sugar, for rolling out dough

Sift together flour, baking powder and salt
Set aside
place butter and sugar in large bowl of electric stand mixer and beat until light in color
Add egg and milk and beat to combine
Put mixer on low speed and gradually add flour
Beat until mixture pulls away from the side of the bowl
Divide the dough in half, wrap in waxed paper and refrigerate for 2 hours.
Preheat oven to 375
Sprinkle surface where you will roll out dough with the powdered sugar
Roll, cut, place on cookie sheets and bake for 7-9 minutes until just brown around edges.
Serve as is or put icing on them.

Meme's best Christmas cookies:
She swirls some green icing down the middle
Add yellow and red and white lights
Dough will keep in fridge for a week in airtight container.