This classic lentil soup recipe is a cozy vegetarian dish brimming with fresh veggies in a rich tomato broth. It's rustic and simple, but has plenty of robust flavors to keep you going back in for more!
Chop the onions, bell pepper, celery, garlic, and carrots.
Set a large 6-8 quart soup pot over medium heat. Add olive oil to the pot. Then stir in the onions, peppers, celery, and garlic. Sauté the aromatics for 5 minutes to soften.
Then add the green lentils, sliced carrots, vegetable broth, tomato paste, Italian seasoning, and cumin.
Cover and simmer for 30 minutes, stirring occasionally.
Once the lentils are soft and the stew has had time to thicken, stir in the chopped kale and vinegar. Taste, then salt and pepper as needed.
Serve warm as-is or garnished with chopped scallions and hot sauce.
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Notes
Leftovers will keep well for up to 4-5 days in an airtight container in the refrigerator.To Freeze: Let the soup cool completely before transferring to an airtight freezer-safe container. I suggest wrapping the container in a layer of aluminum foil for extra protection. Freeze for up to 3 months and thaw in the fridge overnight before reheating.