Tuna Tataki

Bahan-bahan (2 porsi)

• 1 g reen onion/scallion ((1 Tbsp, chopped))
• 1 tsp ginger ((grated, with juice; from a 1-inch, 2.5-cm knob))
• 3 Tbsp ponzu ((you can make my Homemade Ponzu recipe))
• 2 tsp toasted sesame oil
• 1 tsp soy sauce
• 1 tsp toasted white sesame seeds
• 2 Tbsp neutral oil
• ½ lb sashimi-grade yellowfin/ahi tuna
• ½ lemon
• Korean chili thread ((I used mild chili threads))