1 1/2 C brown sugar
1/2 C oil
1 egg
1 tsp vanilla
1 C buttermilk
1 1/2 C diced rhubarb
1/2 C chopped walnuts
2 1/2 C flour
1 tsp baking powder
1 tsp baking soda
1/2 tsp salt
topping:
1/3 C sugar
1 1/2 tsp cinnamon
1 tsp melted butter
Cream top ingredients then add in the dry ingredients after they have been combined. Sprinkle the topping on before baking. Bake at 400 degrees for 20-25 minutes.