1/2 c. butter
1 egg
1 tsp. vanilla
2 c. flour
2 c. finely cut rhubarb
1 1/2 c. sugar
1 c. buttermilk
1 tsp. baking soda
Pinch of salt

Mix in order given. Fold in rhubarb last. Top with 1/2 cup sugar and 1 teaspoon cinnamon (sprinkle on top of batter). Bake at 350 degrees for 35 to 40 minutes in 9"x13" pan.