Rhubarb Cake

Ingredients

1 1/2 cups brown sugar

1 tsp salt

1 egg, beaten

vanilla

1/2 cup margarine or butter

2 cups flour

1 cup buttermilk

1 1/2 cups rhubarb

1 tsp baking soda

Directions

Mix together.

Put in a 9x13" pan

Top with 3/4 cup brown sugar, and sprinkle with cinnamon

Bake 45-50 mins at 350F

Notes

I assume the 3/4 cup you're sprinkling is in addition to the amount listed in the ingredients.