- 1 cup unsweetened pineapple juice
- 1 1/2 ounces dark rum
- Sugar to taste
- 1 stick cinnamon
- Pat of butter
Heat the pineapple juice until it steams, don't boil it. In a large mug with the cinnamon stick, stir together the rum and sugar. Pour the hot pineapple juice over rum. Float pat of butter on top. Serve immediately.