Slice plantains and fry in a large skillet in butter or oil till soft, brown and caramelized, or roast them with oil in the oven on a baking sheet at 400 degrees, turning once.Toast the pecans in the oven for a few minutes until brown but not burnt.When the plaintains are done, set aside.
Heat the chocolate in a small bowl in the microwave on low in 30-second increments until soft and oozing, or cook on stove in double boiler. Stir chocolate.Assemble plantain slices in two bowls or plates with a scoop of ice cream, and drip the chocolate sauce over ice cream, then sprinkle with pecan pieces.Eat, then lick bowl in other room.