Lemony Lentil Soup with Greens

PREP TIME: 15 minutes
TOTAL TIME: 55 minutes
SERVES: 6

2 tsp canola oil
1 small onion, chopped
1 large carrot, peeled and chopped
2 stalks celery, chopped
2 cloves garlic, minced
16 oz green or brown lentils
12 cups low-sodium chicken broth, plus more as needed
1 tsp dried basil
1 tsp dried thyme
1 tsp salt
8 cups chopped kale leaves (about 6 oz)
3 Tbsp fresh lemon juice
1 tsp finely grated lemon zest

PER SERVING: 410 calories, 7 g fat (1 g saturated), 600 mg sodium, 0 mg cholesterol