Lime gelatin dessert mix: Lime gelatin gives these no-bake bars their sliceable structure. Dissolve the gelatin in just 3/4 ...

These high-protein key lime pie bars are packed with silken tofu, but all you'll taste is creamy, citrusy, zesty goodness.

If you grew up in the South—or ever visited a grandma who really knew her way around a pie plate—you know this dessert well.