Melt the honey, a water bath works well.
Pour the required amount into a deep bowl.
Squeeze out the juices of the oranges and lemon to the honey.
Add the soy sauce, olive oil and mustard.
Lastly add salt and black pepper to taste.
Wash the chicken fillet well and cut it as desired.
Put in the marinade for about 2 hours, then cook on the barbecue or grill pan.