1. Mix 1 tbsp of sugar with 100 g of Korean BBQ marinade sauce thoroughly and set aside.
2. Cut the mushrooms in half. Cut the beef into 10 pieces, each about 6-7 cm in length.
3. Cut the spring onions into strips that are approximately the same in length and thickness as beef.
4. Thread pieces in order of mushrooms, beef, spring onions and mushroom through each skewer. Repeat until all the ingredients are used up.
