Soft Sugar Cookies

Ingredients:

1 cup butter, softened
2 cups sugar
1 cup sour cream
3 eggs
1 tsp baking soda
1 tsp vinegar
1 tsp vanilla
1 tsp cream of tartar
1/4 tsp salt
4 cups flour
extra sugar

Preheat oven to 375°. In a large bowl cream butter and sugar. Add sour cream and eggs and mix well. Dissolve baking soda in vinegar and add to mixture. Stir in vanilla. Combine cream of tartar and salt with flour. Add to creamed mixture. Drop by tablespoonfuls onto parchment lined baking sheets. Sprinkle with sugar and bake 10-12 minutes or until lightly browned. Makes about 7 dozen.