Pork Tenderloin With Red Wine Sauce without clove

1 tablespoon butter (15 GR.) 8 (3 ounce) pork tenderloin, cut crosswise 1/2 onion , cut in fine rings 3/4 cup fresh cranberries or 3/4 cup frozen cranberries[...]

4 pork tenderloin salt and pepper 1 Grill pork tenderloin until cooked (10 - 15 minutes). Let the pork tenderloin sit for 5 minutes before carving. 2 Sauce:.[...]