Serve with mashed potatoes, roasted vegetables, or a fresh salad.
Store leftover steaks and sauce in separate airtight containers in the fridge for up to 3 days.
Reheat gently on the stovetop to avoid overcooking the steak.
Variations:
Add a splash of white wine or beef broth to the sauce for extra depth.
Swap heavy cream for half-and-half for a lighter version.
Include onions or shallots along with mushrooms for added flavor.
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