Make Mongolian beef in the slow cooker with a ready-made freezer bag full of flank steak, vegetables, sauces, and spices. Then thaw, cook, and enjoy!
Preparation Time
15 mins
Total Time
15 mins
Calories
320 Calories
Recipe Instructions
Step 1
Stir water, soy sauce, brown sugar, carrots, green onions, olive oil, garlic, and ginger together in a bowl; pour into the bag with the beef and seal.
Step 2
Spread cornstarch over the bottom of a wide, shallow bowl. Dredge flank steak in cornstarch until completely coated; transfer steak to a large resealable plastic bag.
Step 3
Place the bag of marinating beef into the freezer until the day before you wish to prepare it.
Step 4
Remove the bag from the freezer. Place it into a bowl in the refrigerator to thaw for at least 24 hours. Empty the bag into a slow cooker. Cover and cook until beef is tender, on Low for 4 to 5 hours or High for 2 to 3 hours.