Asparagus VinaigretteAuthor:Rachael Ray Every DayUpdated:Feb 5, 2018Original:Mar 27, 2014Ingredients Asparagus Fresh tarragon, chopped Red onion, minced EVOO White wine vinegar Dijon mustardPreparationSteam asparagus spears, then toss with chopped tarragon, minced red onion and a dressing made with EVOO, white wine vinegar and Dijon mustard.