In a medium bowl, combine the first 4 ingredients. Let stand 15 minutes.
Meanwhile, combine the yogurt, cream and maple syrup in a medium bowl. Beat with a mixer fitted with a whisk attachment 2-3 minutes or until stiff.
Spoon half the peach mixture evenly into each of 6 (6-oz) glasses or ramekins. Top evenly with about half the yogurt mixture. Top evenly with remaining peach mixture and yogurt mixture. Sprinkle evenly with crumbled amaretti. Garnish with mint, if desired.