Chow is a staple snack food in Trinidad and Tobago, fundamental to every household. I laugh when people tell me that kids don't like spicy foods because in most food cultures that are near the equator this false idea doesn't even exist. As kids, we are born and raised eating spicy foods and this dish is one of the training grounds for that.
Peel the orange, cut into 1/4-inch-thick rounds, then cut each round into quarters until you have 1 cup of orange wedges. Place in a large bowl.
Peel the mango and cut into random 1/4-inch pieces so they're bite-sized and fit on a toothpick easily. When you have 1 cup of mango pieces, add them to the large bowl. Add the cilantro, Scotch bonnet, lemon juice, and black pepper. Toss well and season with sea salt.
Cover, refrigerate and let marinate for 5 minutes. Add more salt, to taste, if needed. Serve in a medium bowl with toothpicks.