First off mix the ingredients for the marinade together in a mixing bowl: oil, tomato sauce, Worcester sauce, onion, curry powder, chutney, salt, mustard powder and a few long grinds of black pepper.
Make sure your chicken wings are completely thawed.
Add the wings to your marinade and mix through.
Transfer the chicken wings in an oven proof dish and add the rest of the marinade over the wings.
Bake covered with tinfoil for 20 minutes, remove from heat and bake for another 10 min until golden brown.