
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.
Drained pickled cucumber, capers and unspecified herbs turn finished mayonnaise into a fresh fish and seafood accompaniment; these archived amounts are untested starting points.

The tartar-style mayonnaise starts with finished mayonnaise, then adds 12 g finely chopped, drained pickled cucumber, 4 g capers and 2 g herbs to each 100 g of base. Drain the cucumber to keep excess water out of the mixture. The pickle's process and the caper pack are not identified, and the herb remains unspecified. Keep those details open: the ingredient is pickled cucumber, not fresh cucumber.
Drain and chop the pickle, measure the other additions, then mix everything with a clean utensil. No heating, blending or resting stage is described. Cucumber, capers and herbs bring visible solids, though the exact texture and flavour of this untested combination have not been assessed.
The words tartar and tartare appear in older sauce writing, but this title describes a contemporary serving mixture and does not claim Tatar origin or historical continuity. In the fourth edition of the American Salad Book (1909), “Mayonnaise Tartare” means mayonnaise with chopped onion or onion juice, cucumber pickles or capers, and greens such as parsley, chives, olives or another herb. It is a related historical example, not the source of this formula: the house mixture omits onion, sets amounts for cucumber and capers, and leaves the herb unnamed.
This sauce is suggested with fish and seafood. That is a contemporary serving use, not evidence that this exact ratio belongs to a regional tradition.
Drain the pickle before mixing, as specified. That keeps excess liquid from being added, but it does not establish the pH of the finished sauce. Vinegar in the pickle, brine on the capers or lemon-free acidity in the base is not a validated preservation process. No pH reading, storage trial or measured shelf life is documented for this combined mixture.
Use mayonnaise made with pasteurised egg, or prepare the base with pasteurised egg products. Clean hands, bowls and utensils, avoid cross-contamination and refrigerate promptly. Serve the sauce promptly and do not return served sauce to its storage container. Follow the base mayonnaise's label, but do not treat it as a validated storage schedule for the additions. This is not a canning or room-temperature recipe.
The archive presents an untested contemporary serving mixture. A 1909 cookbook describes a related Mayonnaise Tartare, but not this formula or its origin.
Scaling: source batch only
The finished mixture is served without cooking; the base may contain raw egg unless the product or egg ingredient is pasteurised.
Hazard sourceUse commercial mayonnaise made with pasteurised egg or make the base with pasteurised egg products. Keep hands and utensils clean and prevent cross-contamination.
Control sourceRefrigerate promptly, follow the base product's label, and make only the amount needed for the meal.
Control sourceThis mixture has no product-specific safety or shelf-life validation. Do not infer safety from smell, taste or appearance.
Do not can it or store it at room temperature. The guide's 24-hour working policy is a house convention, not a measured shelf life or a universal mayonnaise limit.
The flavoured mixture is new food; do not assume it inherits the base mayonnaise's opened-jar date.
The documented guide gives this as a house serving formula but does not locate this exact mixture.
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FermenteaFormula · Method · Use
The Condiment Table: Ketchup, Mayonnaise, Mustard and the Sauces of the WorldThe combination's starting quantities, addition to 100 g finished mayonnaise, clean mixing, intended-food tasting and prompt service; it is a house starting point, not a tested tradition.
Cited in: Chopped additions in a finished mayonnaise; The title and an older related name; Water and food handling
Food Standards ScotlandSafety
Advice on the safe storage, handling and use of eggs for cateringGuidance on pasteurised egg products for uncooked dishes, cross-contamination prevention and prompt service or chilling.
Cited in: Water and food handling
Food Standards AgencySafety
Safe Catering: Your GuideUse pasteurised egg in foods that will not be cooked or only lightly cooked.
Cited in: Water and food handling
FoodSafety.govRefrigeration
Cold Food Storage ChartsRefrigerator guidance is 4°C or below; this does not set a shelf life for these sauces.
Cited in: Water and food handling
Doubleday, Page & CompanyHistorical attestation
The American Salad BookThe 1909 fourth edition names related horseradish mayonnaise and mayonnaise tartare. Its proportions and ingredients differ from this archive formula and do not establish its origin.
Cited in: The title and an older related name; Water and food handling