Slow Cooker Spicy Baby Back Ribs

Updated March 07, 2019

These baby back ribs can be made hotter with a little more cayenne or another serrano pepper. Or, substitute a chipotle pepper in adobo for the serrano for a smokier flavor.
See Also: Instant Pot Baby Back Ribs

Prep Time: 12 minutes
Cook Time: 8 hours
Total Time: 8 hours 12 minutes

Ingredients:

4 pounds baby back ribs
1 medium onion (sliced)
Kosher salt and pepper (to taste)
1 1/4 cups ketchup
1/3 cup chopped onion
1/3 cup packed brown sugar
1/2 teaspoon cayenne pepper
1 serrano pepper (seeds removed, coarsely chopped)
1 tablespoon Worcestershire sauce
2 teaspoons chili powder
1 tablespoon prepared mustard (bold and spicy or a Dijon blend)
2 tablespoons cider vinegar
1 clove garlic (finely minced)
1/2 teaspoon salt
1/4 teaspoon black pepper

Instructions:

Preheat oven to 375 F.
Cut ribs in serving size portions and arrange in a foil-lined roasting pan; sprinkle with salt and pepper and top with sliced onions. Roast for 1 hour.
Meanwhile, combine the remaining ingredients in a blender; process until the mixture is smooth. Put the ribs and onions in the slow cooker; top with the sauce.
Cover and cook on LOW for 7 to 8 hours, until very tender.

Serves 4.

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Slow Cooker Spicy Baby Back Ribs