Barbecue pork ribs

Ingredients

• ½ cup hot water
• 1.5kg pork spare ribs
• ½ cup tomato sauce
• ¼ cup Worcestershire sauce
• 2 tbsp brown sugar
• 2 tbsp white vinegar
• 1 tbsp Dijon mustard
• 3tsp smoked paprika
• 1 clove garlic, minced