STIR boiling water into dry jelly powder mix in large bowl at least 2 min. until completely dissolved. Add enough ice to cold water to measure 1-1/2 cups. Add to jelly mixture; stir. Refrigerate 30 min. or until slightly thickened (consistency of unbeaten egg whites.)
STIR in melon balls and mint leaves. Spoon into 9x5-inch loaf pan.
REFRIGERATE 4 hours or until firm. Unmold. Store leftover jelly mixture in refrigerator.
serving size = 1/10 th recipe