Combine the vegetables in a bowl. Mix the yoghurt, lime juice and maple syrup in a separate bowl and combine thoroughly.
Serve over the patties with accompanying slices of fresh avocado and lime juice.
Note: Red radish is also known as summer radish. They are members of the cruciferous family of vegetables (the family well known for their anti cancer fighting properties). Before refrigerating, remove the top leaves as they cause moisture and nutrient loss during storage.
Makes 4 servings