Arroz Doce is a traditional Portuguese rice pudding. It is made by cooking rice with milk, sugar, and lemon zest until the rice is tender and the mixture thickens. The pudding is then flavored with cinnamon and sometimes garnished with a sprinkle of cinnamon on top. Arroz Doce is a creamy and comforting dessert that is often enjoyed during festive occasions and family gatherings in Portugal.