Tender beef stir-fried with mushrooms, onions and scallions in a savory sauce. This quick and easy beef mushroom stir-fry is delicious and ready in 30 minutes pairing beautifully with rice! A great main dish that's better-than-takeout, saving you money.
Slice flank steak against the grain into ¼-inch-thick pieces. Transfer beef slices to a large bowl.
Marinate sliced beef with marinade ingredients as listed above and set aside to marinate for 15 minutes at room temperature. Do not marinate past 30 minutes or this over tenderizes the beef and changes the taste.
In a small bowl, combine the sauce ingredients as listed above and set aside.
Heat vegetable oil in a large pan on medium heat, fry beef until cooked through and slightly browned, about 4-5 minutes. Remove cooked beef from the pan and set aside.
Sauté onions and mushrooms until slightly softened, about 2 minutes. Then pour in the sauce and simmer to thicken it.
Toss in cooked beef and green onions until beef is evenly coated in sauce, about 30 seconds. Serve and enjoy!
Notes
Storage & Reheating
Leftovers will last up to 4 days stored in an airtight container in the refrigerator. To reheat: microwave for 2-3 minutes until hot or reheat in a pan on medium heat.
Freezer friendly? Beef mushroom stir-fry can be stored in a freezer friendly bag after cooling down and frozen up to 3 months. To reheat, defrost it and reheat in the microwave or on the stovetop in a pan.
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