Paleo Spicy Rib Appetizer

I found this at Hajnal Szakacskonyve's blog.   

PALEO SPICY RIB APPETIZER

• 3 lbs pork spare ribs
• 2 tbsp paprika
• 1 tsp chili powder
• 2 tsp cayenne
• 1 tsp sweet basil, dried
• 1 tsp cumin
• Salt and pepper to taste after dish is cooked

For the sauce:

• 1 cup tomatoes, peeled and chopped
• 2 serrano peppers, chopped and peeled
• 2 tbsp apple cider vinegar
• 3 cloves garlic, crushed
• ½ small onion, minced
• 1 tbsp fresh lime juice
• 2 pinches of salt

1. Cut ribs into single pieces.
2. Rub pieces with the spices and place in the slow cooker.
3. Put tomatoes in a bowl, smash them with a fork and mix in the rest of the sauce ingredients.
4. Pour mixture over the ribs, cover and cook on low for 4 to 6 hours until ribs are tender.
5. Add salt and pepper after cooking.