- 2 tbsp. butter
- 1 medium onion, finely diced
- 2 garlic cloves, minced
- ½ cup apricot marmalade
- 1 cup ketchup
- ½ cup hard cider
- ½ cup + 2 tbsp. apple cider vinegar
- 2 tbsp. brown sugar
- 2 tbsp. Worcestershire sauce
- 2 tbsp. mustard
Melt butter and cook onion and garlic, stirring until onions soften, about 5 minutes. Add the remaining ingredients and simmer over low heat until thick and glossy, about 20 minutes.