Old Fashioned Rhubarb Cake - cooking recipe

Ingredients

1/2 cup butter or 1/2 cup margarine
2 cups sugar, divided
1 egg, beaten
2 cups flour
1 teaspoon baking soda
1/2 teaspoon salt
1 cup sour milk or 1 cup buttermilk
2 cups rhubarb, chopped and floured
1 tablespoon vanilla
1 teaspoon cinnamon
1/4 cup butter

Preparation

Toss chopped rhubarb in some flour.
Cream butter and 1 1/2 c sugar. Add egg, beat well.
Sift dry ingredients, add alternately with milk to creamed mixture.
Gently blend in rhubarb and vanilla.
Pour into a 9x13 pan.
Mix remaining 1/2 c sugar with cinnamon and butter until crumbly.
Sprinkle over batter.
Bake in a 350 degree oven for 40-45 minutes. Test for doneness.