Excellent spicy dipping sauce served hot with meatballs or spareribs. Easy to make with one saucepan. If you like it really spicy, add more curry powder and horseradish.
- Heat butter in small saucepan over moderate heat.
- Add onion and curry powder and stir for 3 minutes.
- Stir in remaining ingredients.
- Reduce heat to simmer. Simmer for 20 minutes.
- Serve hot with meatballs or spareribs for dipping.