>> source: https://www.cookscountry.com/recipes/11467-easy-homemade-mayonnaise >> total time: 10 minutes >> serves: 24 Do not substitute olive oil for the vegetable oil; the mayonnaise will turn out bitter. Process @egg{1%large}, @white wine vinegar{4%tsp}, @Dijon mustard{1/2%tsp}, @salt{3/4%tsp}, and @sugar{1/4%tsp} in #food processor{} until combined, about 5 seconds. With processor running, slowly drizzle in @vegetable oil{1.5%cups} until emulsified and mixture is thick, about 2 minutes. Scrape down sides of bowl with #rubber spatula{} and continue to process 5 seconds longer. Transfer to #airtight container{} and refrigerate until ready to use. (Mayonnaise can be refrigerated for up to 1 week.)