Bake this irresistible Mars Bar Mud Cake at home. Made with butter, chocolate, cocoa powder and caster sugar. Easy step-by-step instructions included.
This Mars Bar Mud Cake relies on simple, everyday ingredients such as butter, chopped, cocoa powder, caster sugar and eggs, lightly beaten. It comes together quickly and makes 4 servings, at about 2053 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 Mars Bar Mud 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