1/2 c. sugar
1 tsp. cinnamon
1 tbsp. butter
1/2 c. shortening or butter
1 1/2 c. packed brown sugar
1 egg
1 tsp. baking soda
1 c. dairy sour cream
2 c. sifted flour
1 1/2 c. rhubarb, cut in 1/2 inch cubes
1 tsp. vanilla
1/2 c. chopped nuts, optional

Combine sugar, cinnamon and butter, set aside. Cream shortening and brown sugar. Stir in egg, blend well. Combine soda and sour cream, add alternately with flour. Stir rhubarb and vanilla. Turn batter into greased 9x13 baking pan, sprinkle with topping plus chopped nuts if desired. Bake at 350 degrees for 35 to 40 minutes.