This easy recipe for coconut lime mug cake is a delicious and refreshing dessert that is perfect for a quick and easy treat. The cake is moist and fluffy, with a subtle coconut and lime flavor that is not too overpowering. To make this cake, you will need flour, sugar, baking powder, salt, coconut milk, lime juice, egg, and butter. The cake is cooked in a mug in the microwave, which makes it quick and easy to prepare. This cake is perfect for a late-night snack or a quick dessert, and is sure to satisfy your sweet tooth.