First, check the ingredient list and collect all the required ingredients.
Then, measure them before starting the preparation for proper focus on the recipe.
Secondly, combine vinegar, sugar, mustard, ketchup, Worcestershire sauce, crushed red pepper flakes, ground black pepper, and salt in the saucepan. Mix them using a whisk.
Thirdly, heat the sauce over medium heat. Bring a gentle boil, then simmer the sauce for 10 – 15 minutes.
After simmering, check the consistency and stop heating after getting desire texture and consistency.
Then, taste the sauce and adjust if required.
Cool down the sauce over room temperature, then pour the sauce in a glass jar.
Airtight the jar and keep it in the refrigerator.
Serve the sauce with grilled meat or BBQ meat whenever you want.