Rhubarb Cake - cooking recipe

Ingredients

1 1/2 c. brown sugar
1/2 c. margarine
1 egg
1 c. buttermilk
2 c. flour
1 tsp. soda
1 tsp. vanilla
1/2 tsp. salt
1 1/2 c. cut up rhubarb
1/2 c. white sugar
1 tsp. cinnamon

Preparation

Mix all ingredients together except last 2.
Grease 9 x 13-inch glass pan.
Pour in mixture; spread evenly.
Mix together 1/2 cup sugar and 1 teaspoon cinnamon; sprinkle over mixture. Bake at 350\u00b0 for 35 minutes.
Serve with whipped cream or Cool Whip.