Tekka Don (Mangkuk Tuna)

Bahan-bahan (1 porsi)

• ¼ lb sashimi-grade tuna (maguro) ((thinly sliced or cut into small cubes/chunks))
• 1 serving cooked Japanese short-grain rice ((typically 1⅔ cups (250 g) per donburi serving))
• 1 g reen onion/scallion
• ⅛ tsp toasted white sesame seeds
• shredded nori seaweed
• 5 shiso leaves (perilla/ooba)
• 1 Tbsp soy sauce
• 2 tsp mirin
• 1 tsp sake