STEP 1/7
Make the sauce according to the sauce on top.
STEP 2/7
Cut the vegetables into bite-sized pieces.
STEP 3/7
Cut the beef into bite-size pieces.
STEP 4/7
Grill beef quickly over medium heat.
STEP 5/7
When the meat is cooked to a certain extent, add the sliced vegetables and stir-fry them.
STEP 6/7
When the vegetables become transparent, add the sauce.
STEP 7/7
Stir-fry it on high heat for 5 minutes, and when the onion becomes transparent, it's done.
If you grill the meat for a long time, it'll get tough, so stir-fry it quickly