Shallot Carrot Butter Pork Sirloin Roast

This slow-cooker pork sirloin roast is the definition of set-it-and-forget-it. Just layer a pork roast, whole shallots, baby carrots, and a stick of salted butter into the crockpot, then walk away.

Hours later, you'll come back to a bubbling pot of tender, shreddable pork and sweet, caramelized vegetables in a rich, buttery jus. It's a complete dinner with almost zero effort.

Pork sirloin roast is an underrated cut: lean, affordable, and perfect for low-and-slow cooking. When cooked gently in a slow cooker with plenty of butter and aromatics, it turns meltingly tender and full of flavor.

This recipe takes the classic combination of pork, shallots, and carrots and lets the slow cooker do all the work. The result is a comforting, hearty meal that tastes like you spent hours in the kitchen—but really, you just dumped everything in and forgot about it.

Ingredients

Why this recipe works

The slow cooker's low, moist heat breaks down the connective tissue in the pork sirloin, turning a lean cut into fork-tender shreds.

Cooking it on LOW for 8 to 10 hours allows the meat to gently release its juices, which combine with the butter to create a silky, emulsified pan sauce. The long cooking time also gives the shallots and carrots time to caramelize and absorb the savory pork flavors.

The butter is the secret here. As it melts over the roast, it bastes the meat and vegetables, adding richness and helping to create a luscious jus.

The natural sugars in the carrots and shallots caramelize in the butter, adding a touch of sweetness that balances the savory pork. The result is a dish that's simple in ingredients but complex in flavor.

Notes and substitutions

Choose a pork sirloin roast that is well-marbled for the best texture. If you can only find a leaner roast, that's fine—the slow cooking will still yield tender results. Whole shallots are ideal because they hold their shape and become sweet and jammy as they cook. If you can't find shallots, pearl onions or quartered yellow onions work well.

Salted butter is recommended because it seasons the dish as it melts. If you use unsalted butter, add a pinch of salt to the roast before cooking. Baby carrots are convenient and cook evenly, but you can also use regular carrots cut into chunks. This recipe is very forgiving—feel free to adjust the vegetables to your liking.

• pork sirloin roast: pork shoulder or pork butt (increase cook time by 1-2 hours)
• salted butter: unsalted butter plus 1/2 teaspoon salt
• whole shallots: 2 medium yellow onions, peeled and quartered
• baby carrots: 3 large carrots, peeled and cut into 2-inch pieces

Equipment

• 6-quart slow cooker
• cutting board
• serving spoon
• fork for shredding