Preheat the oven to 350 degrees F (175 degrees C).
Place camote in a large pot and cover with water. Add salt and bring to a boil. Cook over medium heat until crisp-tender, about 10 minutes; do not overcook. Drain and transfer camote to a 9×13-inch baking dish.
Combine pineapple, brown sugar, butter, and cinnamon in a bowl; pour over the camote in the baking dish and toss to coat. Cover with aluminum foil.
Bake in the preheated oven until soft and bubbly, about 1 hour. Remove aluminum foil and bake 15 minutes more.