Chubby Hubby - The best way to cook tuna

Ingredients

• 170g sashimi-grade tuna, diced finely
• 3 small jalapeno peppers, seeded, deribbed and diced
• 1/2 tablespoon grated young ginger
• 4 tablespoons grape seed oil
• 2 tablespoons Thai sweet chili sauce
• 1 1/2 tablespoons light soy sauce
• 1 tablespoon rice vinegar
• 1 ripe avocado
• juice of half a lime
• 2/3 cup Japanese mayonnaise
• 2 teaspoons Chinese garlic chili paste (we used a chicken rice chili sauce)
• 1 sac of mentaiko
• 1 teaspoon spicy cucumber oil (optional)
• 170g sashimi grade tuna, diced finely
• 150g fresh shiitake mushroom, stems removed and diced
• 2 tablespoons light soy sauce
• 1 tablespoon grape seed oil
• 4 teaspoons sesame oil
• 4 tablespoons thinly sliced scallions
• 1 tablespoon mixed black and white sesame seeds, toasted