In a blender add all the ingredients except oil. Blitz on high until smooth, about 1 minute. Turn on the heat to medium, in a pot add oil, then add sauce and cook for 5 minutes, stirring occasionally. Remove from heat, taste and adjust seasoning. Sauce is good for chips, seafood, chicken, pork, vegetables and beef. Sauce will last for 7 days in a airtight container in the refrigerator.