
Neutral classic mayonnaise
A plain mayonnaise of 200 g refined neutral oil emulsified into pasteurised yolk, vinegar, water and a little Dijon mustard: a clean base for tasting, comparing and flavouring.
Modern adaptation
burger sauce
Mayonnaise mixed with ketchup, drained pickle relish and yellow mustard makes a tangy, pickle-flecked sauce for burgers; these proportions are an untested starting point.

This quick serving sauce combines prepared mayonnaise, ketchup, finely chopped drained relish and yellow mustard. The report's development formula is 100 g mayonnaise, 15 g ketchup, 8 g relish and 4 g mustard; it is an untested starting point, not a tested copy of a named restaurant or packaged sauce. Other published burger sauces combine the same broad ingredients in different proportions and add their own seasonings; for example, a Whole Foods Market version also includes grated onion and black pepper and uses Dijon mustard. The relish is drained before it is mixed in, as specified in the development formula. Ketchup adds tomato and sweetness, while yellow mustard sharpens the creamy base. Product labels vary, so different condiments can shift the result even when masses stay the same.
Weigh the ingredients and stir them together with a clean utensil until evenly combined. The mayonnaise is already a finished ingredient, so this recipe does not explain or validate how that base was made. Serve the sauce with a burger or another meal where a creamy, tangy pickle relish fits. “Burger sauce” covers many different house and commercial mixtures; this ratio is only one specific version.
Treat the combined sauce as a new food once the additions are mixed into the mayonnaise. The commercial jar's after-opening instructions do not establish a shelf life for this mixture. No product-specific storage study was found for this formula. FDA guidance recommends pasteurized eggs or commercially prepared mayonnaise for uncooked mayonnaise sauces; the UK Food Standards Agency recommends keeping a domestic refrigerator between 0 and 5 °C. Those general handling recommendations do not validate this recipe's proportions or shelf life.
Use commercially prepared mayonnaise or mayonnaise made with pasteurized egg products, and keep the sauce chilled during preparation and serving. FDA guidance also advises clean utensils and sanitary handling for ready-to-eat egg foods. Check the labels on the mayonnaise, ketchup, relish and mustard for allergens and their own storage instructions. No sensory check can establish whether a stored sauce is safe.
No historic standard or origin is documented for this particular combination; the proportions here are an original starting formulation.
Scaling: source batch only
Raw eggs may carry Salmonella; FDA recommends commercial mayonnaise or pasteurized eggs for mayonnaise and similar uncooked sauces.
Hazard sourceUse commercially prepared mayonnaise made with pasteurized eggs, or mayonnaise made with pasteurized egg products; handle the sauce with clean utensils and keep it refrigerated.
Control sourceKeep chilled food in a refrigerator set between 0 and 5 °C and follow the storage instructions on each product label.
Control sourceThese proportions have not been kitchen-tested, sensory-tested or evaluated for shelf life. The mixed sauce does not inherit the commercial mayonnaise's after-opening storage period.
Check the labels of the mayonnaise, ketchup, relish and mustard for allergens and product-specific storage instructions.
The cited Whole Foods recipe is a different burger-sauce mixture; neither it nor the record's evidence establishes the origin of this exact ratio.
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U.S. Food and Drug AdministrationSafety
Dairy and Eggs (Food Safety for Moms-to-Be)FDA advises avoiding homemade sauces made with raw eggs and states commercial mayonnaise contains pasteurized eggs.
Cited in: Handling an egg-based sauce
U.S. Food and Drug AdministrationSafety
Assuring the Safety of Eggs and Menu and Deli Items Made From Raw, Shell EggsFDA recommends pasteurized egg products for mayonnaise and similar uncooked foods and advises clean utensils for ready-to-eat egg foods.
Cited in: Handling an egg-based sauce
UK Food Standards AgencySafety
How to chill, freeze and defrost food safelyThe UK Food Standards Agency recommends a fridge temperature between 0 and 5 °C and minimizing chilled food's time out of refrigeration during preparation.
Cited in: Handling an egg-based sauce
Whole Foods MarketMethod · Context
Special Sauce for Burgers and SandwichesA published burger sauce combines mayonnaise, ketchup, sweet relish and Dijon mustard with onion and black pepper, and stirs them together.
Cited in: A pickle-led sauce for burgers