Garlic & Peppercorn Pork Loin Roast

Dairy-Free, Gluten-Free, Pork

This bone-in pork loin roast is quick, easy, and bursting with flavor. While an overnight marinade is best, a shorter one will work as well. You can’t go wrong with this recipe. Warning: mouthwatering aromas from the oven may cause intense hunger pangs.

I developed this recipe for Wanda Farm,  and it was originally featured on their blog on February 18, 2023. I used one of their bone-in pork loin roasts, known for their lean and delicious pastured pork.

Garlic & Peppercorn Pork Loin Roast Plated

Recipe Steps

Start by blending the spices, olive oil and cider vinegar together in the food processor to make the marinade.

Prepping the marinade for the Garlic & Peppercorn Pork Loin Roast

Pat the roast dry and use a fork to poke holes all over it. Rub the marinade onto the roast, cover, and refrigerate. You can marinate it for at least 3 hours, up to 24 hours, or use a quick marinate if you’re in a hurry.

Marinating the pork loin roast.

Before cooking the roast, squeeze lemon juice over it. To prevent overcooking, use a leave-in thermometer. Bake the roast at 350°F for 2-3 hours or until the internal temperature reaches 145°-155°F.

Warning: the mouthwatering aromas from the oven may trigger intense hunger pangs.

Beef Vegetable Soup made with homemade beef bone broth in the Instant Pot

I served the pork loin roast with a baked potato and green salad. Store any leftovers (if you have them) in the fridge for 2-3 days.

A bowl Chilaquiles and eggs made of shredded beef on top of taco chips covered with a fried egg garnished with red onion, melted shredded cheddar cheese, and cilantro sitting on a table by a cup of coffee
Garlic & Peppercorn Pork Loin Roast

Garlic & Peppercorn Pork Loin Roast

This bone-in pork loin roast is quick, easy, and flavorful! It's best to marinate overnight, but a quick marinate will work too.
Prep Time 3 hours 10 minutes
Cook Time 2 hours 30 minutes
Resting Time 10 minutes
Course Main Course
Cuisine American
Servings 6
Calories 429 kcal

Equipment

  • 1 Food Processor or Blender

Ingredients
  

  • 3.25-4 lbs. Pork Loin Roast
  • 8-10 Cloves Fresh Garlic
  • 16 Whole Peppercorns
  • 2 ½ tsp. Dried Oregano
  • 3 Tbsp. Olive Oil extra virgin
  • 3 Tbsp. Organic Apple Cider Vinegar with "The Mother"
  • 1 Tbsp. Salt
  • 1 Lemon

Instructions
 

  • In a blender or food processor, blend together the 8-10 cloves of garlic, 16 whole peppercorns, 2 ½ tsp. dried oregano, 3 Tbsps. olive oil, 3 Tbsps. apple cider vinegar, and 1 Tbsp. salt.
  • Poke roast all over with a fork then rub seasoning mix over it.
  • Cover it and let sit in the fridge for 3 hours - overnight.
  • When ready to bake, remove the roast from the fridge and place it in a baking pan. Squeeze a lemon over the meat and bake at 350℉ for 2-3 hours or until the internal temperature is 145°-155°F. Use a leave-in meat thermometer to ensure it doesn't overcook.
    CROCK POT COOKING:
    Put the roast and 1/4 a cup of water or broth and cook on low for 6-7 hours or until internal temperature is 145°-155℉
    ELECTRIC PRESSURE COOKER INSTRUCTIONS:
    Put the roast and ½ a cup of water or broth and cook on high pressure for 20 minutes per pound.
  • When the roast is cooked, remove it from the oven, tent it with aluminum foil, and allow it to rest for 15 minutes. This will allow the meat to firm up some, let the juices redistribute, and make it easier to carve.
  • After resting, cut off the backbone of the roast. Then turn the roast onto the cut side and slice between the rib bones so each piece will have a rib bone with the meat. Serve and enjoy!

Nutrition

Calories: 429kcal
Keyword electric pressure cooker, instant pot, instantpot, IP, pork, Pork loin, pork roast
Tried this recipe?Let us know how it was!

Victoria Cook

Victoria is a passionate home cook who became the host and chef of over 100 episodes of a private cooking show tailored for wellness practitioners and their patients. With a love for ethnic cuisines, she enjoys using a variety of spices and fresh ingredients to create flavorful, healthy meals for her husband and son. Always up for a culinary challenge, Victoria finds joy in experimenting with new recipes—and if she can whip them up in an electric pressure cooker, she’s even happier.

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