Surprisingly tasty coleslaw

• 1 package Driscoll's blackberries (4½ ounces/125 gram)
• 1 package Driscoll's blueberries (4½ ounces/125 gram)
• 3 ounces/80 gram of light mayonnaise
• 2 tablespoons of cider vinegar (or white wine vinegar)
• 1 teaspoon sugar
• ½ teaspoon sea salt
• ½ teaspoon freshly ground black pepper
• 1 bag white cabbage (1 pound 2 ounces/500 gram) 1 medium sweet onion
• 100 ml buttermilk

70 min | 6 servings | other courses | easy