Step 1

Preheat oven to 350 degrees Fahrenheit. Spray 9x13'' baking dish with non-stick spray and set aside.

Step 2

Mix eggs, sugar, flour, milk and vanilla in a mixing bowl. Stir in rhubarb and mix until combined.

Step 3

Spread rhubarb over bottom of a prepared pan. Evenly sprinkle dry cake mix over rhubarb mixture. Pour melted butter over top of entire mixture.

Step 4

Bake at 350 degrees for 45 min to 1 hour or until top is golden brown.