Collect all the required ingredients after checking the ingredient list
Place a medium saucepan over medium heat and pour the unsalted butter into the saucepan. Then, melt the butter properly.
Add finely chopped onion and minced garlic into the saucepan and sauté them for 5 minutes to make them soft and fragrance
Now, add Cajun seasoning, Worcestershire sauce, hot sauce, and vinegar
Cook for about 3 mints and stir continuously
Then, add tomato paste and brown sugar. Dissolve the sugar nicely by stirring
After that simmer for 5 minutes and adjust the taste adding pepper and salt. Then, again simmer for 5 minutes
Finish the sauce making process by adding lemon juice, then stir properly
The BBQ sauce is ready to serve