Melt-In-Your-Mouth Sugar Cookies

Ingredients
- 1 c powdered sugar
- 1 c granulated sugar
- 1 c margarine
- 1 c oil
- 1 tsp salt
- 2 eggs
- 4 23 c flour
- 1 tsp soda
- 1 tsp cream of tartar
- 1 tsp vanilla
Directions
- Mix together
- Roll in balls and dip in sugar
- Flatten slightly with bottom of glass dipped in sugar
- Bake at 350 until set