Things You'll Need:
- 2 pounds pork tenderloin Sharp knife 1/4 cup low-sodium soy sauce 1/8 cup balsamic vinegar or red-wine vinegar 1 cup onion, diced 1 teaspoon dried rosemary 2 cloves garlic, minced 1 tablespoon Dijon or brown mustard Large Ziploc bag Grilling tongs Meat thermometer Grill preheated to medium high
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Step 1
Trim any visible fat from the pork tenderloin by working your sharp knife under the fat and slicing it away. Trim the silver membrane that runs along the top of the tenderloin by working your knife along the underside, cutting it away from the pork tenderloin.
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Step 2
Combine soy sauce, vinegar, onion, garlic, rosemary and mustard in a small bowl. Mix well. Transfer the marinade to a Ziploc bag, and add the tenderloin. Coat the pork well, and set in the refrigerator to marinate for 30 minutes.
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Step 3
Remove the pork from the marinade, and place it on the preheated grill. Cook the pork over medium high heat for 3 minutes, then turn with the tongs and continue heating each side for an additional 3 minutes.
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Step 4
Check the internal temperature of the pork. It should read 165 F for well done. Remove the pork from heat, and let it stand on a cutting platter for 10 minutes if the desired temperature has been reached.
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Step 5
Let the meat stand for 10 minutes, then slice it into the desired thickness and serve.
