Vegan Lentil Soup Recipe (8 Ingredients!)

Easy vegan lentil soup recipe with 8 basic pantry staple ingredients. Packed with plant-based protein, low-fat, and oil-free. Soak lentils if desired, sauté onions and carrots, add spices, broth, lentils, cook until tender, then stir in tomato paste, balsamic vinegar, and spinach. Serve with red pepper flakes and green onions. Enjoy!