Vegetable Soup with mustard greens and black lentils recipes

Name: Vegetable Soup with mustard greens and black lentils recipes
Ingredients: 1 tablespoon extra-virgin olive oil, plus more for a final drizzle at the end; 1/2 medium red onion, diced; 1 carrot, diced; 1 celery stalk, diced; 2 garlic cloves, minced; 1/3 cup black beluga lentils, picked over, rinsed; One 14.5-ounce can vegetable- or low-sodium chicken broth, or homemade stock; 2 small or one medium delicata squash, peeled, diced; 1 large bunch mustard greens, leaves yanked off the stems and chopped, stems discarded