With just 5 ingredients, this rhubarb dump cake couldn’t be easier! Learn how to make this delicious dessert that’s packed full of fruity summer flavors.
Preheat oven to 350°F (175°C). Grease a 9x13-inch baking dish.
Spread chopped rhubarb evenly in the bottom of the prepared dish.
Sprinkle sugar and gelatin over the rhubarb.
Evenly distribute the dry cake mix over the rhubarb mixture.
Drizzle melted butter over the top, covering the cake mix layer. Bake for 45-50 minutes until golden brown and bubbly. Serve warm with ice cream if desired. Enjoy!