Slow Cooker Dijon Cream Pork Sirloin Roast Step-by-step instructions

Before you start

Before you start, make sure your slow cooker is clean and ready. Pat the pork sirloin roast dry with paper towels—this helps the seasoning stick and promotes better browning, though browning isn't required here.

Halve the baby Yukon Gold potatoes if they're larger than a golf ball so they cook evenly. Peel the heirloom carrots and cut them into thick, 2-inch chunks. Measure the sour cream, Dijon mustard, and au jus so everything is ready to go. No need to preheat anything; just layer and go.

Instructions

Layer and Season

1. 1Layer the Roast and Vegetables
   Place the pork sirloin roast in the center of the slow cooker. Scatter the halved baby Yukon Gold potatoes and thick-cut heirloom carrots around the roast, tucking them into the sides so they sit in the liquid as it cooks.
   Look for The roast sits snugly surrounded by vegetables, with the potatoes and carrots filling the gaps.
   Tip Cut any larger potatoes in half so they cook evenly with the carrots.
2. 2Season the Meat
   Sprinkle the kosher salt and black pepper evenly over the pork roast and the vegetables. Use your hands to rub the seasoning lightly into the surface of the meat.
   Look for The seasoning coats the roast and vegetables evenly.
   Tip Don't skip the salt—it enhances the savory flavor of the pork and veggies.

At the end of this phase, the slow cooker contains the pork roast in the center, surrounded by halved potatoes and thick-cut carrots. The seasoning is rubbed evenly over the meat and vegetables.

The scene looks neat and colorful—pink pork, golden potatoes, and orange carrots in a dark ceramic basin, ready for the creamy topping.

Add Topping and Cook

3. 3Add the Creamy Topping
   In a small bowl, stir the sour cream and whole-grain Dijon mustard together until combined. Dollop the mixture over the top of the pork roast and spread it gently with the back of a spoon to cover the surface.
   Look for The sour cream-mustard mixture forms a thick, creamy layer over the roast.
   Tip Use a spoon to dollop, not spread too thin—it will melt into the gravy as it cooks.
4. 4Pour in the Au Jus
   Pour the beef au jus along the side of the slow cooker, being careful not to wash the sour cream mixture off the roast. The liquid should come partway up the vegetables but not submerge the creamy topping.
   Look for The au jus pools around the vegetables, leaving the creamy topping intact.
   Tip Pour slowly to avoid disturbing the sour cream layer.
5. 5Cook on Low
   Cover the slow cooker and cook on low for 8 to 10 hours, until the pork is fork-tender and shreds easily. The internal temperature of the roast should reach at least 145°F (63°C) before shredding. Let it rest for 3 minutes before slicing.
   Look for The meat is tender enough to shred with a fork, and the vegetables are soft.
   Safe temperature 145°F (63°C) internal temperature (steaks, chops and roasts)
   Tip Avoid opening the lid during cooking to keep the heat steady.

The sour cream and Dijon mixture is dolloped over the roast, and the au jus is poured along the side. The slow cooker is covered and set to low. As it cooks, the aroma of pork and mustard fills the kitchen. The liquid will bubble gently, and the sour cream will melt into the sauce, creating a creamy, fragrant gravy.

Shred and Serve

6. 6Shred the Pork
   Remove the roast to a cutting board and let it rest for at least 3 minutes. Use two forks to shred the pork into bite-sized pieces, discarding any large pieces of fat. Return the shredded pork to the slow cooker and stir gently to combine with the gravy.
   Look for The pork falls apart easily and the gravy is thick and creamy.
   Safe temperature 145°F (63°C) internal temperature (steaks, chops and roasts)
   Tip Resting the meat keeps it juicy—don't skip this step.
7. 7Serve
   Serve the shredded pork, potatoes, and carrots over steamed white rice, spooning extra gravy from the slow cooker over the top. Enjoy hot.
   Look for The dish is steaming and ready to plate.
   Tip For a complete meal, add a side salad or crusty bread.

After 8 to 10 hours, the pork is fork-tender and shreds easily. The gravy is thick and velvety, with a golden-brown color. The potatoes and carrots are soft and coated in the sauce. The dish is ready to be served over rice, with the rich aroma of slow-cooked pork and Dijon cream.

Common mistakes

One common mistake is opening the slow cooker lid too often to check on the food. Each time you lift the lid, heat escapes and adds cooking time. Another is overcrowding the slow cooker—make sure the roast and vegetables fit in a single layer as much as possible so they cook evenly.

Don't skip the salt; it's essential for flavor. Also, avoid using a lean cut like pork tenderloin, which will dry out during the long cook time. Stick with a roast that has some fat and connective tissue.

How to tell it’s done

The pork is done when it reaches an internal temperature of at least 145°F (63°C) and is fork-tender, meaning it shreds easily with little resistance. The vegetables should be soft and easily pierced with a fork.

The gravy should be thick and creamy, not watery. If the pork isn't shredding easily, cook for another 30 to 60 minutes. Remember to let the meat rest for at least 3 minutes before shredding to allow the juices to redistribute.

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