Mämmi (Finnish pronunciation: [ˈmæmmi]) is a traditional Finnish Easter dessert. The Swedish name for it is memma.Mämmi is made of water, rye flour, and powdered malted rye, seasoned with dark molasses, salt, and dried powdered Seville orange zest. The mixture is then allowed to go through a slow natural sweetening process before being baked in an oven until set.