Dot's Rhubarb Dump Cake

Something about baking with rhubarb makes me think of A Prairie Home Companion, but digressions.

Dot's Rhubarb Dump Cake

4 cups rhubarb, chopped
1 cup brown sugar
3 oz strawberry jello packet
1 cup water
1/3 cup melted margarine

-In a 9x13 pan, spread the rhubarb.
-Spread sugar and jello over the rhubarb.
-Drizzle the water over everything, followed then by the margarine.
-Bake at 350 degrees for 45 minutes.