Go one better than ketchup with James Martin's homemade bbq sauce recipe - slather it on ... for a few minutes to combine the flavours. Use as a dip or to coat spare ribs, chicken or sausages.

Buy according to how you plan to use the sauce. A tomato-based barbecue sauce is a good all-purpose sauce, vinegar-based sauces are ideal for marinating meat, and those with a mustard base are ...