Homemade mayonnaise is such a treat. It's very simple to make, too. Room temperature ingredients are best when making mayonnaise at home. If you're not able to wait for the egg to come to room temperature, submerge it in lukewarm (not hot) water for a couple of minutes. There are a few ways to make mayonnaise. We use our food processor with the small bowl attachment, but an immersion blender or making it completely by hand and large whisk will work. (Expect tired arms and strong biceps if you do choose to do it by hand).
Homemade mayonnaise is such a treat. It's very simple to make, too. Room temperature ingredients are best when making mayonnaise at home. If you're not able to wait for the egg to come to room temperature, submerge it in lukewarm (not hot) water for a couple of minutes. There are a few ways to make mayonnaise. We use our food processor with the small bowl attachment, but an immersion blender or making it completely by hand and large whisk will work. (Expect tired arms and strong biceps if you do choose to do it by hand).
Substituting cold eggs straight from the refrigerator for room temperature ones guarantees a broken emulsion because thermal shock prevents oil droplets from dispersing properly in the liquid base. Room temperature eggs allow lipids to bond efficiently with moisture and lecithin. Submerging cold eggs in lukewarm water for two minutes corrects this temperature barrier rapidly. Equipment sizing matters equally. Standard food processor bowls possess too much dead space for a single-egg batch, meaning blades spin above the ingredients without catching them. Small bowl attachments or narrow immersion blender cylinders force blade contact. Oil addition speed determines success. Adding oil faster than drops initially overwhelms the lecithin network, causing the sauce to separate into an oily puddle. Pouring grapeseed or canola oil drop by drop for the first quarter cup establishes the suspension. Thickening indicates stability, allowing the remaining oil to enter in a thin stream. Visual inspection confirms readiness when the mixture clings densely to the processor blades and holds distinct peaks without slumping. Thinness after all oil is incorporated requires streaming additional oil while the motor runs until viscosity increases.