In a food processor or blender puree the mango until smooth and transfer it to a bowl. Add the lime juice, honey, and cinnamon to the mango puree and stir to combine. Chill until ready to assemble parfaits. To assemble parfaits: In parfait or stemmed glasses spoon a 1-inch-thick layer of yogurt, top with a layer of mango and repeat layering. Chill until ready to serve. Garnish with fresh mint leaves, if desired.