Sugar Cookies

This recipe makes the best thick soft sugar cookies. They are so yummy! It will be the best recipe, guaranteed! It makes a ton, you may want to half it.
3 cups sugar
1 pint sour cream
1/2 butter softened
4 well beaten eggs
8 - 12 cups flour (I usually have to add more)
1 tsp soda
1 tsp baking powder
2 tsp vanilla

Mix sugar, sour cream, butter and vanilla until smooth. Add eggs. Mix in dry ingredients. If the dough is too sticky, add a little more flour. I usually have to add more than 12 cups.
Roll out and cut into shapes. Leave the dough thick when cutting.
Bake at 400 for 8-10 minutes. Dont over cook.