Southern fried quail with blue cheese dressing

Name: Southern-fried quail with blue cheese dressing
Ingredients: 100ml buttermilk; ¼ tsp ground cumin; 3 quails, split in half through the middle so you have six halves; sunflower oil, for deep-frying; celery leaves, to serve (optional); 4 tbsp mayonnaise; 4 tbsp buttermilk; 40g soft blue cheese, crumbled; pinch celery salt; 250g plain flour; ½ tsp cayenne pepper; ½ tsp onion salt; ¼ tsp dried oregano; ¼ tsp chilli flakes