3/4 cup spiced rum
1 (6 ounce) can frozen limeade concentrate
3 large ripe peaches, halved and pitted with skins on
2 cups ice cubes
1 teaspoon white sugar, or to taste (optional)
Place the rum, limeade concentrate, and peaches into the container of a blender. Blend until smooth. Add the ice, and blend until finely ground, sweeten with sugar, if desired. Pour into margarita glasses, and enjoy!