Vegetable broth needs to be cooked gently to bring out the subtle flavors of its ingredients, and sous vide is a perfect method for the task.
A cookbook recipe exclusively for All-Access members from Sous Vide for Everybody
For this recipe, we combined classic broth-base vegetables—onion, carrot, and celery—with mushrooms (for earthiness), tomato (for acidity), and scallions (for an allium boost). Thyme, bay leaves, and peppercorns provided herbal background n...