Use only two ingredients, frozen limeade concentrate and tofu, plus water for this easy and refreshing frozen dessert.
Combine limeade and tofu in a blender; process until smooth. Add water; pulse to combine. Pour mixture into the freezer can of an ice-cream freezer; freeze according to manufacturer's instructions. Spoon the mixture into a freezer-safe container; cover and freeze 2 hours or until firm. Garnish with mint and rind, if desired.