Ingredients

  • cooking spray
  • 6 cups sliced rhubarb
  • 2/3 cup white sugar
  • 1 (3 ounce) package strawberry-flavored gelatin mix
  • 1 (9 ounce) package yellow cake mix (such as Jiffy(R) Golden Yellow cake mix)
  • 3/4 cup water
  • 1/3 cup unsalted butter, melted
  • 2 teaspoons confectioners' sugar
  • 1 cup frozen whipped topping, thawed (optional)

Method

  • Preheat oven to 350 degrees F (175 degrees C). Prepare a 11x7x2-inch baking dish with non-stick cooking spray.
  • Spread rhubarb into the baking dish. Sprinkle white sugar, gelatin mix, and yellow cake mix over the rhubarb. Pour water over the rhubarb mixture. Drizzle butter over the rhubarb mixture.
  • Bake in preheated oven until rhubarb is tender, about 50 minutes. Cool on a wire rack for 15 minutes. Dust with confectioners' sugar and top with whipped topping.