This recipe was given to me by a friend many years ago, and I have converted it to be Gluten Free.
1/2 lb. butter
1 cup white sugar
2 cups gluten free flour
1 tsp. vanilla
1 tsp. baking powder
1 tsp. baking soda
1/4 tsp. salt
1/2 pint sour cream
Cream butter and sugar. Add eggs and beat together. Add vanilla.
Sift dry ingredients together. Add to creamed mixture alternating with sour cream.
Pour half batter in greased floured tube pan. Sprinkle with topping. Add rest of batter and rest of topping.
Bake 350ºF for about 45 minutes or until toothpick inserted in middle comes out clean.
TOPPING
1/4 Cup white sugar mixed with 1 tsp. cinnamon
Nuts can be added to topping if desired. Spread butter on slices of warm cake and enjoy!!

