1. In a medium glass bowl, whisk together all the marinade ingredients until thoroughly blended.
2. Place meat in the marinade; cover and chill for 4-6 hours.
3. Remove meat, discard marinade, thread onto soaked wooden skewers and cook meat as desired on a grill or braai.
4. Serve the kebabs with the avocado, fennel and radishes, drizzled with olive oil and garnished with fresh mint.
