1 stick butter, softened
1/3 c. brown sugar
1/4 c. white sugar
1 egg
1 tsp. vanilla
1 1/3 c. unsifted flour
1/2 tsp. baking soda
1/4 tsp. salt
1 c. chocolate chips
Frosting

Cream together butter and sugars. Add egg, vanilla, flour, baking soda, salt and chocolate chips. Spread mixture into well greased 12 inch pizza pan. Bake at 350 degrees for 15 minutes or until golden brown. When cool decorate with frosting.