In a small bowl, combine the ketchup, mustard, vinegar, brown sugar, Worcestershire sauce, garlic powder, onion powder, cayenne pepper, and black pepper. Mix until combined.
Transfer the mixture to a medium saucepan and heat over medium heat. Simmer for 5 minutes.
Remove from heat and let cool for a few minutes. Serve with your favorite dishes or store in the refrigerator in an airtight container for up to 2 weeks.
Interesting Facts
This sauce is most commonly used as a topping for tacos, but it can also be used for other dishes such as fries, burgers, or even pizza.
Slam-Dunk sauce is a popular condiment in the United States, although it can be found in other countries as well.
The combination of ketchup, mustard, vinegar, and brown sugar make this sauce stand out from other condiments.