Easy Slow Cooker BBQ Beef Brisket

Ingredients (18)

For the barbecue sauce:

• 1 1/2 cups ketchup
• 1/2 cup packed dark brown sugar
• 1/2 cup water
• 1/4 cup finely chopped yellow onion
• 3 tablespoons cider vinegar
• 3 tablespoons Worcestershire sauce
• 2 chipotles in adobo sauce, finely chopped
• 1 teaspoon garlic powder
• 3/4 teaspoon freshly ground black pepper

For the brisket:

• 1/4 cup paprika
• 1 tablespoon chili powder
• 1 tablespoon ground cumin
• 1 tablespoon packed dark brown sugar
• 1 tablespoon kosher salt, plus more as needed
• 1 teaspoon cayenne pepper
• 1 teaspoon garlic powder
• 1 teaspoon freshly ground black pepper, plus more as needed
• 1 (5-pound) beef brisket