This pineapple coconut mug cake is a quick and easy dessert that's perfect for satisfying your sweet tooth. The cake is moist and fluffy, with a sweet pineapple and coconut flavor that's sure to please. To make this mug cake, you'll need flour, sugar, baking powder, salt, an egg, oil, crushed pineapple, shredded coconut, and vanilla extract. Mix the dry ingredients together in a microwave-safe mug, then add the wet ingredients and mix until smooth. Fold in the pineapple and coconut, then microwave on high for 1-2 minutes, or until the cake is cooked through. Let the cake cool for a minute or two before enjoying. Top with whipped cream or a drizzle of caramel sauce for a delicious and easy dessert!