1 ½ cups brown lentils, sorted and rinsed (Check Shopping Guide report for this)
4 cups vegetable broth
4 cups cold water
3 tablespoons olive oil
3 large carrots, finely chopped
1 medium onion, diced
A pinch of salt
¼ teaspoon freshly ground pepper, plus more to taste
4 cloves garlic, minced
1 ½ teaspoons ground cumin
1 cup green or water leaves or spinach
3 tablespoons lemon juice