01 -
In a large bowl, whisk together soy sauce, sake, mirin, canola oil, grated ginger, mashed garlic, sugar, and sesame seeds until sugar is dissolved and mixture is well combined.
02 -
Add beef tenderloin cubes to the marinade, ensuring all pieces are evenly coated. Cover and refrigerate for at least 4 hours or up to overnight.
03 -
Remove beef from the marinade and thread approximately 6 pieces onto each metal skewer.
04 -
Preheat a grill to medium-high heat. Place skewers over direct heat and grill for 2 minutes per side or until beef is charred and cooked to desired doneness.
05 -
Serve skewers over steamed rice. Garnish with thinly sliced green onions. Mochi dessert is optional but highly recommended as a finishing touch.