1 1/2 c. brown sugar
1/2 c. shortening
1 1/2 c. flour
1 tsp. baking soda
1 tsp. cinnamon
1 egg
1/4 tsp. salt
1 tsp. vanilla
1 c. sour milk or buttermilk
1 1/2 c. raw rhubarb

TOPPING:

1/2 c. white or brown sugar
3/4 tsp. cinnamon

Preheat oven to 350 degrees. Mix all cake ingredients in order and put in a 9 x 13 inch pan. Mix topping ingredients and sprinkle sugar mixture on top. Bake for 30 minutes.