Lentil Soup with Kale and Walnuts - Half Cup Habit

Ingredients

• 1 tbsp olive oil
• 2 stalks celery (chopped)
• 2 medium carrot (chopped)
• 1/2 medium onion (diced (about 1/2 a cup))
• 1 clove garlic (minced)
• 3 15 oz cans chicken broth (or vegetable; reduced-sodium)
• 1 large potato (peeled, cut in 1/2-inch cubes)
• 1 cup lentils (dry)
• 4 cups kale (coarsely chopped)
• 3/4 cup Herbed Walnuts (or 1/2 cup Walnut Gremolata)