Blend all ingredients except avocado until smooth. Add avocado and blend
until creamy. Serve chilled.
The melding of fennel and grapefruit is classic. Fennel has a unique combination of phytonutrients and antioxidants, giving it powerful anti-inflammatory and anticancer benefits. Fennel also aids in digestion and other stomach ailments. Fennel and grapefruit are both rich in vitamin C and beneficial to weight loss.