Slow Cooker Dijon Cream Pork Sirloin Roast

This slow cooker pork sirloin roast is the definition of set-it-and-forget-it cooking. You layer a few simple ingredients—pork, potatoes, carrots, sour cream, Dijon, and au jus—into the crockpot in the morning, and by dinner you have a bubbling pot of tender, shreddable meat and vegetables in a rich, tangy gravy. It's a complete one-pot meal that feels special but requires almost no effort.

The video shows the magic in just ten seconds: raw pork goes into the slow cooker, surrounded by potatoes and carrots, topped with a dollop of sour cream and Dijon, and finished with a pour of au jus. Then the scene jumps to the finished dish—shredded pork and fork-tender vegetables swimming in a velvety gravy.

This recipe captures that same ease and comfort. It's perfect for busy weeknights when you want a hearty dinner without hovering over the stove. Just dump everything in, walk away, and come back to a meal that tastes like you spent hours on it.

Ingredients

Why this recipe works

The slow cooker does all the work here. Cooking the pork sirloin roast on low for 8 to 10 hours breaks down the connective tissue, turning a lean cut into meat that shreds effortlessly.

The low, slow heat also allows the flavors of the sour cream, Dijon, and au jus to meld into a cohesive gravy that coats every bite. The potatoes and carrots cook in the same liquid, absorbing the savory juices as they soften, so every component of the dish is infused with flavor.

The method is intentionally simple: layer the ingredients in the order they appear in the video, then let time do the rest. The sour cream and Dijon are dolloped on top rather than stirred in, so they melt into the sauce as the roast cooks, creating a creamy, tangy gravy without any extra steps.

The au jus provides the liquid needed for braising, while the vegetables sit snugly around the meat, ensuring they cook evenly without becoming mushy.

Notes and substitutions

Pork sirloin roast is a lean cut that benefits from long, slow cooking. If you can't find it, pork shoulder or butt works beautifully—just expect a slightly longer cook time. Baby Yukon Gold potatoes are ideal because they hold their shape and have a buttery texture; red potatoes or fingerlings are good substitutes. Heirloom carrots add color and sweetness, but regular carrots work just as well.

For the best flavor, use a good-quality beef au jus. If you don't have it, low-sodium beef broth mixed with a teaspoon of Worcestershire sauce is a fine stand-in. Whole-grain Dijon mustard gives the gravy a lovely texture and a sharp, tangy bite; smooth Dijon can be used but start with less.

Sour cream adds richness and a slight tang that balances the savory pork. If you prefer a lighter sauce, you can reduce the sour cream to 1/3 cup, but the gravy will be less creamy.

• pork sirloin roast: pork shoulder or pork butt (increase cook time by 1-2 hours)
• baby Yukon Gold potatoes: red potatoes or fingerlings, halved if large
• beef au jus: low-sodium beef broth mixed with 1 tsp Worcestershire sauce
• whole-grain Dijon mustard: smooth Dijon mustard (reduce to 2 tbsp for less tang)

Equipment

• 6-quart slow cooker
• Cutting board
• Chef's knife
• Measuring cups and spoons
• Serving spoon
• Tongs