Rosy Red Rhubarb Cake

1/4 cup butter
2 cups sifted all-purpose flour
2 1/2 teaspoons baking powder
1/4 teaspoon salt
1/4 cup brown sugar, packed
1 egg, slightly beaten
3/4 cup milk
6 cups thinly sliced washed rhubarb
1 3 ounce package strawberry gelatin dessert mix
===topping===
6 tablespoons butter
1 1/2 cups sugar
1/2 cup flour


Cut butter into flour, baking powder, salt and brown sugar as for pie crust. Add egg and milk; mix well. Spread into a 13-in.x 9-in.x 2-in. Baking pan( mixture will be moist). . Top with rhubarb. Sprinkle powdered gelatin mix over rhubarb. Combine topping ingredients like pie crust; sprinkle over the top. Bake at 350 for 60 minutes. Serve warm or cool.