Slow-cooker Sweet-and-sour Country Ribs

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Details

8 Ingredients

• 1/2 cup ketchup
• 1/2 cup packed light-brown sugar
• 1/2 cup cider vinegar
• 1 Tbsp mustard powder
• 1/2 tsp cayenne pepper
• Coarse salt and ground pepper
• 4 lbs country-style pork ribs, separated into single ribs
• Barbecue sauce, for serving (optional)