Seared Tuna Salad

• 3 tbsp sesame seeds, toasted
• 300 g high quality fresh tuna steaks
• 1 cup frozen edamame beans, shelled and boiled
• 0.25 red cabbage, shredded
• 0.333 cup fresh coriander (cilantro) leaves, finely chopped
• 2 radish, thinly sliced
• 0.5 avocado, cut into cubes
• 2 spring onions, finely chopped
• 0.5 cup seaweed salad
• 2 tbsp soy sauce
• 2 tbsp sweet chilli sauce
• 1 tbsp rice vinegar
• 1 tbsp peanut butter
• 1 tbsp sesame oil
• 1 tbsp neutral oil (e.g., grapeseed or canola)