Crockpot Cheddar Bay Pork Tenderloin and Potatoes

This slow-cooker pork tenderloin with baby potatoes and cheddar is the kind of dinner that feels like a warm hug. The pork cooks low and slow until it is fork-tender, while the potatoes soak up garlic butter and the cheddar melts into a golden sauce.

Everything goes into one pot, and the hands-on time is barely ten minutes. It is a complete meal that makes the house smell incredible and leaves almost no cleanup.

Pork tenderloin is a lean, quick-cooking cut that can turn dry in the oven, but the slow cooker changes that. Cooked low and slow, it stays moist and tender, and the potatoes cook right alongside it. The garlic butter and cheddar create a rich, savory sauce that coats every bite.

This is a set-it-and-forget-it dinner that works for busy weeknights or a relaxed weekend meal. The recipe uses just four ingredients and one appliance, and the result looks and tastes like you fussed, even though you did not.

Ingredients

Why this recipe works

The slow cooker's gentle, moist heat is ideal for pork tenderloin. Because the meat cooks surrounded by steam and butter, it stays succulent instead of drying out. The long cooking time also lets the flavors of garlic, parsley, and cheddar meld together, creating a cohesive sauce that clings to the pork and potatoes.

Cooking the potatoes in the same pot means they soak up all the seasoned butter and cheese as they soften.

The cheddar melts into a smooth, golden sauce rather than browning or separating, because the slow cooker never gets hot enough to break the emulsion. The result is a one-pot meal where every component is infused with the same savory, garlicky character.

Notes and substitutions

The video shows a whole pork tenderloin, so look for one that is about 1 pound, or use two smaller ones to reach 2 pounds total. Baby potatoes are ideal because they cook evenly and hold their shape, but any waxy potato works. Shredded orange cheddar adds color and a sharp, melty quality; use a block and shred it yourself for the best melt.

Garlic parsley butter is the flavor base here. If it is not on hand, melt 4 tablespoons of unsalted butter and stir in 2 minced garlic cloves and 1 tablespoon of chopped fresh parsley.

The slow cooker should be at least 6 quarts to hold the pork and potatoes comfortably. Do not use a liner unless the manufacturer recommends it, as the butter can cause sticking.

• orange cheddar: white cheddar or Colby Jack, shredded
• baby potatoes: Yukon Gold or red potatoes, cut into 1-inch pieces
• garlic parsley butter: 4 tablespoons unsalted butter melted with 2 minced garlic cloves and 1 tablespoon chopped parsley

Equipment

• 6-quart slow cooker
• small bowl
• measuring cups
• fork
• cutting board
• knife