4. Add 1 tbsp tomato paste, 1-1/2 cups dry green or brown lentils, 4 cups veggie broth and simmer about 15 minutes, or until lentils are just cooked. Mix in 1 tbsp tahini, 1 tbsp Dijon mustard, 1 tbsp red wine vinegar. Simmer another 2 minutes. Add salt and black pepper to taste