This 3-ingredient creamy mustard sauce for steaks is easy to make and the perfect addition to your next dinner! Made with pantry staples, this creamy sauce is guaranteed to be hit with your family and friends and only takes 10 minutes to prepare!
Place the heavy cream, grain mustard, and butter in a sauce pan over medium heat.
Then add the salt and black pepper.
Use a whisk to combine the ingredients, then turn the heat down to medium-low heat and let the sauce simmer for a few minutes to thicken.
Continue to stir the sauce until it's nice and thick, remove the pan from the heat.
Pour it into a sauce jug ready for serving.
Recipe Notes
Thick sauceIf you find the sauce is too thick, you can thin it out by whisking in a little bit of water or beef broth.Using salted butterIf you're using salted butter for the sauce, you may not need any added salt, so taste it before adding.