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Cooked mayonnaise

Cooked Mayonnaise · Cooked-yolk mayonnaise

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A cooked-yolk mayonnaise documented in the University of Tennessee Extension’s 2007 Egg University Handbook. The egg mixture is heated before oil is emulsified into it.

Illustrative bowl of finished cooked-yolk mayonnaise; this image does not document a tested batch.

What the source documents

The University of Tennessee Extension's SP494 Egg University Handbook contains this cooked mayonnaise formula. The record dates the publication to 1 June 2007, but that only dates the handbook's attestation; it does not establish when or where cooked mayonnaise began. The source's name for the recipe is simply “Cooked Mayonnaise.” It uses yolks, an acid, water, sugar, dry mustard, salt, pepper and cooking oil, with the egg mixture heated before the oil is added.

This catalogue version chooses the handbook's vinegar option. The source also permits lemon juice in the same quantity. The remaining quantities and reported yield are retained from its recipe. The formula is not a modification of the archive's M6 or M7 variants.

Sources for this section

Heating and emulsion

The handbook describes bubbling in one or two places and a four-minute stand. SDSU Extension separately gives cooked-yolk guidance that names mayonnaise: combine at least 2 tablespoons of recipe liquid per yolk, cook while stirring until the mixture coats a metal spoon, bubbles at the edges or reaches 160°F, then cool it immediately in ice water while stirring. This formula has 4 tablespoons liquid for 2 yolks. The draft uses a thermometer check and the immediate-cooling step; this is an application of extension safety guidance, not evidence that the formula was independently kitchen-tested.

After the cooked base rests, the source transfers it to a blender and adds oil very slowly while blending. The yolk mixture and mustard help the water-based phase hold dispersed oil droplets. Adding the oil gradually gives those droplets time to disperse; fast addition can make emulsification harder. The handbook's approximate yield is about 1 1/4 cups. It supplies no timing, storage-duration endpoint or validated scale-up.

Sources for this section

Scope and handling

This is a cooked-yolk sauce, not a home shell-egg pasteurisation recipe. USDA FSIS says the equipment for pasteurising shell eggs is not available for home use and that the process is difficult to complete without cooking the egg. Queensland Health's guide to raw and lightly cooked egg foods is written for food businesses; its section 7.3 example for in-shell sous-vide eggs carries commercial-equipment, monitoring, recordkeeping and cooling conditions. Those sources describe a different process and are not substituted for the cooked-yolk directions here.

Use clean hands, utensils, blender parts and food-contact surfaces. The handbook says to cover and chill the sauce if it is not used immediately, and gives refrigerator guidance of 40°F or colder. It does not supply a product-specific shelf life. No canning, room-temperature storage or make-ahead period is established by the cited recipe. The 160°F control addresses the yolk mixture; it does not establish a storage period for the finished mayonnaise.

Sources for this section

History

The University of Tennessee Extension's SP494 Egg University Handbook, issued 1 June 2007, documents a recipe titled Cooked Mayonnaise. That date is a publication attestation, not a date or place of origin for cooked mayonnaise.

Ingredients

Yield 1.25 US cups approximate · Scaling: source batch only

Egg yolksSeparate with a clean utensil.
2 large yolks
White vinegarThe source also allows lemon juice instead; this version uses the vinegar option.
30 mL2 tbsp as recorded
30 mL2 tbsp as recorded
4.9 mL1 tsp as recorded
Dry mustard
9.9 mL2 tsp as recorded
Fine salt
2.5 mL½ tsp as recorded
237 mL1 cup as recorded

Method

Risks and precautions · Elevated risk
Salmonella associated with eggs

Egg yolks can carry Salmonella. The source heats the yolk mixture before emulsification, but this entry has not been independently kitchen-tested.

Hazard source

Cook the yolk mixture with at least 2 tablespoons of recipe liquid per yolk, stirring constantly, until it reaches 160°F (71°C); cool it immediately in ice water while stirring.

Control source

If not serving immediately, cover and refrigerate at 40°F (4.4°C) or colder.

Control source

Keep hands, utensils, blender parts and food-contact surfaces clean when handling egg.

Control source

The handbook documents a 2007 formula, but gives no measured shelf life; no kitchen test or product-specific storage study for this catalogue entry is recorded.

This is a cooked-yolk mayonnaise method, not a method for pasteurising shell eggs. USDA FSIS says home shell-egg pasteurisation is very difficult and the equipment is not available for home use.

Queensland's 57°C/75-minute in-shell sous-vide example belongs to a food-business guide with specific equipment, monitoring and cooling requirements; do not substitute it for this recipe's cooked-yolk method.

Do not can or store at room temperature. The source gives no storage duration.

  1. Whisk the egg yolks, vinegar, water, sugar, dry mustard, salt and a dash of pepper together in a small saucepan until blended.
  2. Cook over very low heat, stirring constantly, until the yolk mixture reaches at least 160°F (71°C) on a food thermometer. SDSU Extension's guidance for yolks used in mayonnaise also describes a thin coating on a metal spoon or bubbles at the edges as endpoints; use the thermometer endpoint here.
  3. Immediately set the saucepan in ice water and stir the yolk mixture until cool, following SDSU Extension's cooked-yolk guidance. The University of Tennessee handbook instead says to let the mixture stand for 4 minutes; this draft uses the immediate-cooling advice for handling and does not treat that rest as a safety control.
  4. Pour the cooled mixture into a blender, cover and blend at high speed.
  5. Cover and chill promptly if not using the mayonnaise immediately. The handbook gives no product-specific storage duration.

Conditions

Yield1.25 US cups approximate
Temperature controlMulti-stage

Places

United States

Documented preparation · Country evidence

Documented in a University of Tennessee Extension handbook. This association identifies the publication context, not the origin of cooked mayonnaise.

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Sources