In a large baking tray, add the Coca Cola and the chicken drumsticks, alternating them.
Season each one with 1 teaspoon of ketchup, barbecue sauce and mustard.
Then, on top of everything, add the soy sauce, the salt and the sachet of chicken seasoning.
Then, add +100ml of Coca Cola and spread this seasoning well with a brush.
Add black pepper to taste.
Take to a preheated oven at 180° C (350° F) and bake for 45 minutes.
Serve.