Siri's Heart Sugar Cookies

1 . Stage

Preheat oven to 400 degrees F (200 degrees C).

2 . Stage

Beat butter and sugar with an electric mixer in a large bowl until fluffy. Add 1 egg, allowing it to blend into the butter mixture before adding the next with the vanilla extract.

3 . Stage

Dissolve cream of tartar in milk; beat into the butter mixture. Add 4 cups flour and pinch of salt; beat until doughy.

4 . Stage

Spread 1 cup flour onto a flat work surface. Roll the dough out on the prepared surface; cut out in desired shapes until all dough is used.

5 . Stage

Bake on non-stick baking sheets in preheated oven until cookies are set in the middle, about 12 minutes.