Arroz Doce is a beloved Portuguese dessert, traditionally made with rice, milk, sugar, and cinnamon. This Instant Pot version simplifies the cooking process while maintaining the creamy texture and rich flavor of the classic recipe. The result is a comforting, sweet rice pudding infused with aromatic cinnamon and lemon zest. Served chilled and garnished with a sprinkle of cinnamon, this dessert is perfect for family gatherings or as a soothing treat any time of day.