Old Fashioned Sugar Cookies

This recipe was given to me by the Mom of an old friend.
4 Cups flour
1 teaspoon baking powder
1/2 teaspoon baking soda
1/2 teaspoon salt
1/2 teaspoon nutmeg
1 cup soft butter
1 1/2 cups sugar
1 egg
1/2 cup dairy sour cream
1 teaspoon vanilla

Sift flour with baking powder, salt, soda, and nutmeg; set aside.
In large bowl of electric mixer at medium speed, beat butter, sugar, and egg until light and fluffy.
At low speed, beat in sour cream and vanilla until smooth.
Gradually add flour mixture beating until well combined. Mixture will be in balls and clumps. Don't be upset. You have to roll this out like a pie crust. Separate into 1/4 then refrigerate for several hours. Roll out on floured surface. Cut out. Bake at 375 for 7 minutes.