Duck - cooking recipe

Ingredients

duck
onion
water
salt
pepper
1/2 stick butter
vinegar or wine

Preparation

Put medium onion inside duck.
Cook in roaster with a little water for 1 hour.
Throw away onion and water and start all over again.
Rub salt and pepper inside and outside.
Rub butter inside and out; put in roaster again.
Cook 1 1/2 hours (about), basting often to keep from drying out.
Put wine or vinegar in water.