Rhubarb Cake - cooking recipe

Ingredients

1/2 c. margarine
1 1/2 c. white sugar
1 1/2 tsp. cinnamon
1/2 tsp. salt
1 tsp. vanilla
1 egg
2 c. flour
1 tsp. soda
1 c. buttermilk
2 c. finely chopped rhubarb (I use 3 c.)
1/2 c. sugar
1/2 tsp. cinnamon

Preparation

Beat well margarine, 1 1/2 cups sugar, 1 1/2 teaspoons cinnamon, salt, vanilla and egg.
Add alternately and beat well, flour, soda and buttermilk.
Fold in rhubarb.
Spread in 9 x 12-inch well-greased pan.
Top with 1/2 cup sugar and 1/2 teaspoon cinnamon.
Mix together and sprinkle on cake.
Bake at 350\u00b0 for 30 minutes or until done.