How to Cook Marinated Pork Loin From a Grocery Store

Prepare a quick dinner using a store-bought marinated pork loin and impress your family or guests with this simple-to-prepare boneless roast that works both as a weeknight meal or casual feast. Sear the pork loin first to lock in flavor and produce the dark brown caramelized crust that makes it so appealing. Finish the pork loin by slow roasting it for a juicy and tender preparation that really shines. Teriyaki, lemon pepper, peppercorn garlic, mesquite and other pre-marinated pork loins all benefit from this sear and slow-cook method that produces a tender and juicy loin.

Things You'll Need

12-inch skillet
Vegetable oil
Kitchen tongs
V-rack

Roasting pan
Instant read thermometer
Aluminum foil

Prepare the Pork Loin

Preheat your oven to 300 degrees Fahrenheit.
Heat one tablespoon of vegetable oil in your skillet over medium-high heat until shimmering. Remove the pork loin from its packaging and place it in the skillet to begin searing it.
Brown each side of the pork loin, flipping with kitchen tongs as you go. This entire process should take under 10 minutes, depending on the size of your pork loin. The searing process provides the caramelized outer coating that helps to keep the pork loin moist during roasting, as well as give the crust an appealing look on the finished roast.

Oven-Roast the Pork Loin

Place the pork loin on the v-rack set inside the roasting pan. A slow roasting will keep the pork loin flavorful and ensure it cooks evenly while still remaining moist and juicy.
Cook for 40 to 55 minutes depending in the size of your pork loin. Cook until the center of the pork loin reaches 135 F on an instant-read kitchen thermometer.
Remove the pork loin from the oven and place a folded piece of aluminum foil over the pork loin like a tent. Wait 15 or 20 minutes and ensure the center of the roast reaches 145 F. Cut and serve.

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