GF Chocolate Chip Cookies

1 cup butter/margarine
¾ cup sugar
¾ cup brown sugar
1 tsp vanilla
2 eggs
2 ¼ cup white rice flour
1 tsp GF baking soda
1 tsp salt
2 tsp xanthan gum
12 oz chocolate chips

Preheat oven to 375 F. Cream butter and sugars together. Add vanilla and eggs; mix well. Combine flour, baking soda, salt, and xanthan gum; add dry ingredients to creamed mixture. Add chocolate chips. Bake on ungreased cookie sheet 8 – 9 minutes or until done.