Allergens named in the ingredients: Soy.
Flags come from what shops, restaurants and cooks list and from the ingredient names. Always check the label. This is not medical advice.
Ingredients
2 cups whiskey
1 cup ketchup
¼ cup Worcestershire sauce
¼ cup soy sauce
¼ cup cider vinegar
¼ cup chicken broth
Method
Combine all ingredients in a large saucepan. Bring to a boil over high heat and cook, stirring, for 10 minutes.
Refrigerate in a nonreactive container for up to 2 months.