1cup(220grams)dried lentilsbrown or green - or 3 cups cooked lentils; in this case you'll need half the vegetable broth and half simmering time
2medium (12 ounces)potatoesdiced
6cups(1½liters)vegetable stockor more as required to finish cooking the lentils
1can (15 ounces)(400grams)crushed tomatoes
6cups (6 ounces)(170grams)spinach
1½tablespoons(1½tablespoons)balsamic vinegar
1teaspoon(1teaspoon)saltor more to taste
⅛teaspoon(⅛teaspoon)black pepper+ ¼ teaspoon red pepper flakes optional
MAKE FLAVOR BASE: Heat 2 tablespoons olive oil in a large pot. Add 1 large onion, 1 rib celery, and 3 medium carrots (all chopped), and sauté for 4 minutes, stirring often.Add 3 cloves garlic (pressed), ½ teaspoon dried rosemary, and 2 bay leaves and sauté 1 more minute.
SIMMER IN BROTH: Add 1 cup dried lentils (rinsed), 2 medium (12 ounces) potatoes (cut into bite-size pieces), 6 cups vegetable stock, and 1 can (15 ounces) crushed tomatoes.Season with 1 teaspoon salt and ⅛ teaspoon black pepper, then simmer for 30 to 45 minutes until the lentils are tender.Stir occasionally and add more broth/water if required.
ADD LEAFY GREENS: A few minutes before the soup is ready, stir in 6 cups (6 ounces) spinach and 1½ tablespoons balsamic vinegar.Finish cooking for a few minutes until the greens wilt.Taste and adjust for salt before serving.
SERVING SUGGESTIONS: We like serving this soup with toasted crusty bread rubbed with garlic and a drizzle of extra virgin olive oil or chili oil.It’s also delicious with grated parmesan cheese and thinly sliced scallions or with brown rice and a dollop of Greek yogurt.