Mix together sherry, soy sauce, garlic scape, sesame oil, oyster sauce and sambal oelek. Pour into a clear plastic zip up bag and set aside.
Cut your steak into thin slices. Add to marinade. Squish all together, close bag and place in fridge to marinate at least one hour or longer. Let your bamboo skewers soak during this time.
Remove from marinade and thread beef onto skewers.
On a preheated grill over medium-high, grill the satay skewers for 2-3 minutes per side or until done.
These skewers are so flavourful they do not need any dip or sauce. Enjoy!