1. Blend together the mango, passion fruit puree, yogurt, fructose, and lemon juice.
2. Using a microwave, liquefy the gelatin.
3. Add a small amount of the mango mix to the gelatin.  Stir.
4. Add the remaining ingredients and blend.
5. Place in an ice cream maker and mix; once the mix acquires the texture of a frozen dessert, pour into molds and freeze.

Tip: 2½" diameter x 2" long  metal ring molds work best. These can be found at most restaurant supply stores. Another option is lengths of pvc pipe cut to specs above- look at any home improvement store. Otherwise pour into popsicle molds or ramekins that have been lined with parchment.