Prepare the pineapple: Cut off the top and bottom, stand it upright, and slice off the skin. Cut into 1-inch rings or chunks.
For grilled pineapple: Brush rings with honey and sprinkle cinnamon. Cook over medium heat on a greased grate for 4-5 minutes per side until caramelized.
For pineapple chicken foil packets: Divide chicken and pineapple chunks among four 12x12-inch heavy-duty foil sheets. Drizzle with honey and a pinch of salt. Fold into packets, sealing tightly. Cook on hot coals for 15-20 minutes, flipping once.
For campfire skewers: Alternate pineapple chunks and chicken on metal skewers. Brush with honey. Grill over medium heat, turning every 4 minutes, until chicken is cooked through (about 12 minutes total).
For pineapple black bean salsa: Mix diced pineapple, black beans, bell pepper, jalapeño, and lime juice. Serve cold with tortilla chips or as a side.
For Dutch oven pineapple upside-down cake: Line a 10-inch Dutch oven with foil. Melt butter in the bottom, sprinkle brown sugar, and arrange pineapple rings. Mix flour, milk, and egg into a batter. Pour over pineapple. Bake over 10-12 coals on top and 6-8 below for 25-30 minutes until golden. Invert onto a plate.