Because of the natural enzyme papain in papayas this marinade is great for particularly tough cuts of meat.

1 papaya, thinly sliced

2 tablespoons soy sauce

2 tablespoons sugar

1 teaspoon salt

1 teaspoon pepper

Cover the bottom of a glass baking dish with half of the sliced papaya. Layer on the meat evenly and top with the remaining papaya slices. Combing soy sauce, sugar, salt and pepper and pour evenly over the whole pan. Cover with plastic wrap and press down firmly. Refrigerate. Marinate beef overnight, poultry for about 2 hours.