Slow-Cooker Turkey Chili with White Beans Ingredients: 1 tablespoon olive oil 1 1/2 cups white onion, chopped 1/2 cup celery, chopped 1 red bell pepper, seeded and diced ( about one cup) 1 tablespoon  jalapeño pepper, seeded and minced 2 garlic clove, minced 1 1/4 pound (20oz) lean ground turkey 1 can (14.5 oz)