Serves 4 Ingredients 1 cup Ohio red onion, chopped 2 tablespoons, plus 1/4 cup soy oil, divided 1 15-ounce can black soybeans, rinsed and drained 1 11-ounce can whole kernel corn with red and green peppers, drained 1 10- or 12-ounce can cooked chicken, drained 1 cup...