Combine all ingredients except last four in large pot on stove and heat to boiling. Add water if needed. Stir in lime juice. Top with sliced green onion, cilantro and avocado. The key to making this a quick dish is to use pre-cooked lentils. Lentils are very easy to cook–just rinse and simmer in water (ratio 1 cup lentils to about 2 1/2 or more cups water) about 40 minutes or until soft. Lentils store in the fridge for several days and are great on salads, in soups, wraps, etc.