Not Very Foreign Duck


1 large duck
3 small onions, peeled, finely chopped
4 cloves of garlic
bacon slices
5 ripe tomatoes
1/3 cup vinegar
bay leaf
1/2 teaspoon cumin powder
1/2 teaspoon black pepper
cooking oil

Clean the duck very well, then pierce it slightly with a fork and spice it with garlic, salt, bay leaf, black pepper, cumin powder and vinegar. Cover the duck with onion and slices of bacon and tomato. Pour a little cooking oil on top and set aside to marinate for one day.
Cook over medium hot coals, offset if possible..