This 5-ingredient slow cooker plum sauce pork roast is exactly what I make when I’m hosting Father’s Day or any big family get-together and don’t have time to babysit the oven. It starts with a frozen boneless pork top loin roast and a bottle of old-school plum sauce, then the slow cooker does all the heavy lifting while you’re out living your life. The end result is a glossy, sticky, deeply flavored roast that falls apart into tender chunks—perfect for feeding a hungry crowd with practically zero effort.
Serve this plum sauce pork piled onto fluffy mashed potatoes, steamed white rice, or buttered egg noodles so all that dark, glossy sauce has something to soak into. Add a simple green side like roasted green beans, a crisp salad mix from a bag, or microwaved frozen veggies tossed with a little butter and salt. For a Father’s Day spread, round it out with store-bought rolls, coleslaw, and maybe a tray of cut-up fruit for something fresh and easy.
5-Ingredient Slow Cooker Plum Sauce Pork RoastServings: 8-10
Ingredients
1 (3–4 lb) frozen boneless pork top loin roast
1 cup vintage-style plum sauce (bottled or jarred)
1/3 cup low-sodium soy sauce
1/3 cup brown sugar, packed
1 tablespoon minced garlic (jarred or fresh)
Directions
Place the frozen boneless pork top loin roast in the bottom of a large slow cooker. No need to thaw—it should go in rock solid and unwrapped.
In a medium bowl, whisk together the plum sauce, soy sauce, brown sugar, and minced garlic until the sugar is mostly dissolved and everything looks smooth and glossy.
Pour the plum sauce mixture evenly over the frozen pork roast, making sure the top and sides are well coated. Use a spoon to scoop some of the sauce from the bottom of the slow cooker back over the roast if needed.
Cover the slow cooker with the lid and cook on LOW for 8–10 hours, or on HIGH for 4–5 hours. Do not open the lid during the first few hours so the heat stays consistent and the frozen roast can safely come up to temperature.
Once the pork is very tender and easily pulls apart with a fork, check that the internal temperature has reached at least 145°F in the thickest part (use an instant-read thermometer).
Use two forks to shred or chunk the pork directly in the slow cooker, stirring it gently into the dark, sticky plum sauce so every piece is coated and glossy. Let it sit on WARM for 10–15 minutes to soak up more flavor.
Taste the sauce and add a splash of soy sauce for more salt or a spoonful of brown sugar if you want it sweeter. Serve the pork straight from the slow cooker, spooning plenty of the caramelized plum sauce over each portion.
Variations & Tips
To keep this truly 5 ingredients, I lean on pantry basics that many of us already have, but you can still tweak it a bit while staying simple. For a little heat, stir 1–2 teaspoons of crushed red pepper flakes or sriracha into the plum sauce mixture before pouring it over the roast (this will technically add an ingredient, so I usually offer hot sauce at the table instead). If you like a thicker, stickier glaze, transfer some of the cooking liquid to a small saucepan at the end and simmer it for 5–10 minutes until reduced and syrupy, then pour it back over the pork. You can also leave the roast whole instead of shredding, slice it thickly, and spoon the glossy sauce over the slices for a more “carved roast” presentation. For a slightly tangier flavor, swap a few tablespoons of the soy sauce for rice vinegar or apple cider vinegar, keeping the total liquid amount similar. Food safety tips: Always cook from frozen on LOW for the full time or on HIGH as directed, without shortening the cook, so the pork moves quickly through the temperature danger zone (40°F–140°F). Avoid lifting the lid during the first few hours of cooking so the temperature stays high and consistent. Use a food thermometer to confirm the center of the pork reaches at least 145°F before serving, and keep leftovers refrigerated in a shallow container within 2 hours of cooking. Reheat leftovers until steaming hot before eating.