4 croissants (day-old or slightly stale)
3/4 cup cream cheese (6 ounces, at room temperature)
3/4 cup confectioner's (powdered) sugar
1 pinch fresh raspberries (about 2 cups)
3 large eggs
1/2 cup milk
3/4 cup half and half
1 teaspoon vanilla extract
1/8 teaspoon ground nutmeg
1/4 cup butter (1/2 stick)
  confectioner's sugar (for garnish)
4 fresh mint leaves (for garnish)
  warm maple syrup (for serving)