Use a large mug so the cake has room to rise. No need to oil the mug; the cake should pull away from the sides as it bakes.
Serving: 1 mug cakeCalories: 320.98kcalCarbohydrates: 30.38gProtein: 17.65gFat: 26.01gSaturated Fat: 12.65gPolyunsaturated Fat: 2.25gMonounsaturated Fat: 8.63gTrans Fat: 0.65gCholesterol: 238.24mgSodium: 584.61mgPotassium: 708.47mgFiber: 3.26gSugar: 26.38gVitamin A: 920IUVitamin C: 59.46mgCalcium: 386.56mgIron: 1.87mgSugar Alcohol: 24.06gNet Carbs: 3.06g