Beef Stir-Fried with Button Mushrooms

Photograph of step 1

Timer set from this step

20:00

Step 1 of 6

Slice the beef thinly across the grain, then marinate it with cornstarch and oyster sauce for 20 minutes.

  • Beef · 2.6 lb
  • Oyster sauce · ⅓ cup
  • Cornstarch · 2.1 oz