1/2 cup buttermilk
1/2 cup mayonnaise
1/2 cup grated parmesan
1 tbsp lemon juice
1 small clove garlic, finely grated
1 tsp dijon mustard
1 tbsp chives, chopped
2 small heads napa cabbage
6 slices thick-cut bacon, crisped and chopped
1 apple of choice, thinly sliced
1/4 small red onion, thinly sliced
1/4 cup toasted walnuts