How to Make It
Preheat oven to 250°F. Line 2 rimmed baking sheets with parchment paper. Stir together cereal, coconut flakes, pineapple, and banana in a large bowl. Add coconut oil and lime juice; toss until thoroughly coated. Add sugar and salt; toss to coat.
Divide mixture evenly between prepared baking sheets; spread in an even layer. Bake in preheated oven until coconut is toasted, 30 to 35 minutes, rotating baking sheets between top and bottom racks and stirring halfway through bake time. Let cool about 15 minutes. Store, covered, at room temperature up to 1 week.