Roy Yamaguchi’s Soy-Mustard Sauce (a.k.a. 3-Ingredient Steak Sauce)
Photo by Ty Mecham Prep time 1 hour Cook time 10 minutes Makes 3/4 cup Author Notes This sauce is borrowed from Roy’s restaurant’s signature Blackened Ahi with Soy Mustard Sauce and Beurre Blanc, but this sauce is too easy and too good not to parade through all sorts of other foods: brown rice, edamame