Spareribs with dry rub - Gluten Free Kitchen

Ingredients

• 4 racks spareribs
• 2 onions
• 5 cloves garlic
• water
• 1 tbsp paprika powder
• 1 tbsp garlic powder
• 1 tbsp onion powder
• 1 tbsp brown sugar
• 1 tsp cayenne or chilli powder
• 1 tsp salt
• 1 tsp pepper, black