Preheat oven to 350°F. Lightly grease a 3-qt. rectangular baking dish. In a very large skillet heat oil over medium. Add pumpkin, chile pepper, onion, and garlic. Cook and stir 15 to 18 minutes or until squash is just tender and lightly browned. Transfer pumpkin mixture to a large bowl. Add sausage to skillet. Cook and stir until sausage is lightly browned. Drain off fat. Add chorizo to pumpkin mixture; stir to combine.