Rhubarb Surprise - cooking recipe

Ingredients

8 c. rhubarb, chopped
1/2 c. butter
3 c. sugar
1 1/2 c. flour
1/2 tsp. salt
1 1/2 tsp. baking powder
1/2 c. milk
2 Tbsp. cornstarch

Preparation

Spread 8 cups chopped rhubarb evenly in a 9 x 13-inch greased pan.
Cream the butter, 1 1/2 cups of the sugar, flour, salt and baking powder alternately with 1/2 cup of the milk.
Spread mixture over rhubarb.
Combine remaining sugar (1 1/2 cups) and cornstarch.
Sprinkle evenly over batter.
Pour 1 cup boiling water evenly over all.
Bake for 1 hour at 375\u00b0.