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Dinner · Part 2 of 3: Instructions

Slow Cooker Honey BBQ Pork Tenderloin for Easy Dinners Step-by-step instructions

Succulent honey BBQ pork tenderloin medallions glazed in a thick, shiny sauce on a white plate.
Prep
Cook
Total
Serves
4
Includes 5 min resting

Before you start

Before starting, ensure your slow cooker insert is clean and dry. Remove the pork tenderloins from the refrigerator about 20 minutes before cooking to take the chill off, which helps with even cooking. Have your onions sliced into consistent half-moons and your measuring tools ready.

Clear a space on your counter near the slow cooker to make the assembly process efficient, and ensure you have a sharp knife and a sturdy cutting board available for when the pork is ready to be sliced after cooking.

Ingredients at a glance (4)
  • 2 lbs pork tenderloin
  • 1 large yellow onion, sliced
  • 1 tsp garlic powder
  • 1 cup honey barbecue sauce

Instructions

Layering the Base

  1. Prepare and Layer
    Place the pork tenderloins into the base of the slow cooker. Layer the sliced onions over the top of the meat to provide moisture and aromatics during the long, slow cooking process.
    Look for Ensure the onions are evenly spread over the surface of the pork.
    Tip Slicing the onions thinly helps them soften and melt into the sauce.

The pork tenderloins are arranged neatly at the bottom of the slow cooker, with the sliced onions creating a uniform bed that will release moisture and flavor as the temperature rises.

Everything should be clean and positioned to ensure the heat circulates evenly around the meat during the long braising process.

Seasoning and Glazing

  1. Season and Sauce
    Sprinkle the garlic powder evenly over the onions and pork. Pour the honey barbecue sauce over the entire assembly, ensuring the meat is well-coated to allow the flavors to penetrate while it simmers.
    Look for The sauce should cover the majority of the pork surface area.
    Tip Use a silicone spatula to scrape the bowl to get every drop of sauce.

The garlic powder is dusted over the top, and the honey barbecue sauce is poured generously to coat the meat and onions. The slow cooker should now be ready to be covered, with the sauce beginning to settle around the edges of the pork, signaling that it is ready for the slow cooking phase.

Final Braise and Rest

  1. Slow Cook and Serve
    Cover and cook on low for 4 to 6 hours. Once the pork reaches an internal temperature of 145°F (63°C), remove it from the cooker and let it rest for 5 minutes before slicing into medallions to serve.
    Look for The pork should be tender and easily sliced without falling apart completely.
    Safe temperature 145°F (63°C) internal temperature (steaks, chops and roasts)
    Tip Letting the meat rest ensures the juices redistribute for maximum tenderness.

After several hours, the pork should be tender, and the sauce should have thickened into a rich, aromatic glaze. A quick check with a thermometer confirms the safe internal temperature, and the meat is ready to be removed for its mandatory resting period before final slicing and plating.

Common mistakes

A common mistake is overcooking the pork, which can turn the tenderloin dry and tough even in a slow cooker. Avoid the temptation to cook it on high, as the gentle heat of the low setting is essential for this lean cut.

Another error is failing to let the meat rest after cooking; slicing immediately releases the juices, leading to dry meat. Finally, ensure the lid remains closed during the cooking process, as lifting it releases trapped heat and extends the required cooking time significantly.

How to tell it’s done

The pork is done when it reaches an internal temperature of 145°F (63°C) as measured by a digital meat thermometer inserted into the thickest part of the medallion. The meat should be opaque throughout with a slight blush of pink, which is perfectly safe and indicates it has not been overcooked.

Always allow the pork to rest for at least 5 minutes before slicing, as this is crucial for retaining the internal juices and ensuring the most tender texture possible for every serving.

  • Steaks, chops and roasts: 145°F (63°C) in the thickest part, then a 3-minute rest

Coming up in Part 3: common questions

  • Can this be made in a pressure cooker instead of a slow cooker?
  • Why does the pork come out tough?
  • Can the onions be omitted?

Also in Part 3: variations (Spicy Honey BBQ, Garlic Herb Pork), storage and make-ahead, and the printable recipe card.

Up next · Part 3 of 3

2 variations · storage & make-ahead · 3 answers · printable card

Tips, FAQ & printable recipe (Part 3)← Back to the ingredients (Part 1)