Wash and dry fruits. Peel and cut mango into chunks and place in a blender. Save a few mango slices for topping. Peel banana and nectarine peaches, cut in chunks and add to blender. Cut 1 passion fruit in half, extract juice and add to blender. Save one passion fruit for topping. Add rolled oats and juice of 1 lime to blender, then blend until smooth.
Transfer blended smoothie into bowls. Decorate with mango slices, blueberries, juice of a passion fruit, cacao nibs (optional) and some gluten-free granola. Serve.