Slow Cooker Monterey Jack Taco Beef Barbacoa

This slow cooker beef barbacoa is the set-it-and-forget-it dinner that delivers big on flavor. Cubes of beef chuck simmer low and slow with taco seasoning, pinto beans, and salsa until they’re fall-apart tender. Then sour cream and Monterey Jack melt into a rich, creamy sauce that coats every bite. Serve it in warm tortillas or over rice for a satisfying meal that feels like a fiesta.

There are slow cooker recipes that require browning, layering, and fussing—and then there’s this one. You simply place the beef in the crock, sprinkle on the seasoning, dump in the beans and salsa, and top with sour cream and cheese.

Walk away, and hours later you come back to a bubbling pot of tender shredded beef in a creamy, spiced sauce. It’s the kind of meal that makes weeknight dinners feel effortless, and it’s perfect for feeding a crowd or meal-prepping for the week.

Ingredients

Why this recipe works

The magic of this recipe lies in the slow, gentle heat of the crockpot. Beef chuck is a well-marbled cut that becomes meltingly tender when cooked low and slow. The collagen breaks down, transforming the meat into shreds that soak up the surrounding flavors. Because you don’t brown the meat first, the seasoning and salsa infuse every bite directly, creating a deeply savory dish with minimal effort.

The combination of sour cream and Monterey Jack cheese stirred into the pot at the end—well, actually added at the beginning—creates a luscious, creamy sauce. As the cheese melts and the sour cream integrates, the sauce thickens and clings to the beef and beans.

The pinto beans add heartiness and a subtle earthiness that balances the bright, tangy salsa. Every spoonful is rich, comforting, and packed with taco-inspired flavor.

Notes and substitutions

Beef chuck cubes are ideal for this recipe because they have enough fat and connective tissue to become fork-tender without drying out. You can also use stew meat or brisket cut into chunks.

If you prefer a leaner option, round roast works, but the results will be less succulent. Choose a good-quality salsa—chunky varieties add texture and flavor. The taco seasoning can be homemade or store-bought; just adjust the amount to your spice preference.

A 6-quart slow cooker is perfect for this quantity. If your slow cooker runs hot, check the meat at the lower end of the cooking range. Full-fat sour cream is recommended because low-fat versions may separate or curdle during the long cook.

Monterey Jack melts beautifully, but you can substitute cheddar, Colby Jack, or a Mexican cheese blend. For a spicier kick, use a salsa with habanero or add a diced jalapeño with the beans.

• beef chuck cubes: beef stew meat or brisket, cut into chunks
• Monterey Jack cheese: sharp cheddar, Colby Jack, or a Mexican cheese blend
• chunky salsa: diced tomatoes with green chilies (Rotel-style)
• sour cream: plain Greek yogurt (full-fat recommended)

Equipment

• 6-quart slow cooker
• Measuring cups and spoons
• Large spoon
• Two forks for shredding
• Cutting board
• Serving plate