Step 1

Begin by making the marinade. Whisk together the apple cider vinegar, dijon mustard, brown sugar, olive oil, garlic powder, kosher salt, onion powder, and black pepper together. Once combined, pour the marinade into a large ziplock bag.

Step 2

Next, trim off any excess skin or fat from the tenderloin before adding it to the bag. Once the tenderloin is in the bag, zip it up and squish it around until the pork is fully coated in the marinade. Put this in the fridge for at least an hour or overnight. Before you take it out of the bag to grill, squish it around one more time.

Step 3

When ready to grill, brush the grill grates with oil to prevent the pork from sticking.

Step 4

Take the pork tenderloin out of the bag and throw away the remaining marinade. Heat up the grill on a high heat until the inside is at a high temperature of 500°..

Step 5

Place pork on the grill and slowly sear each side for about a minute or two.

Step 6

Then reduce the heat to 350 degrees, close the grill and keep cooking for another 12 minutes. Turn the pork if needed, then check the temperature of the pork with a meat thermometer until it reaches a correct temperature of 145.° Let the pork rest prior to serving