Bake this irresistible Funfetti Mug Cake at home. Made with Mix, Egg, Vegetable Oil and Water. Easy step-by-step instructions included.
This Funfetti Mug Cake relies on simple, everyday ingredients such as funfetti boxed cake mix, whole egg, beaten, vegetable oil and water. It comes together quickly and makes 4 servings, at about 69 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.
Whether you're rounding off a family dinner, bringing a treat to a gathering, or simply satisfying a sweet craving, this Funfetti Mug Cake delivers. Serve it warm or at room temperature, and add a scoop of ice cream or a spoonful of whipped cream for an extra-special finish.
Updated Jun 30, 2026