Tuna tartare Recipe | Food Network UK

Ingredients

• 1.5kg very fresh tuna steak
• 300ml olive oil
• 5 limes, zest grated
• 240ml freshly squeezed lime juice
• 2 1/2 tsp wasabi powder
• 2 1/2 tbsp soy sauce
• 2 tbsp hot red pepper sauce, such as Tabasco
• 2 1/2 tbsp salt
• 1/2 tsp freshly ground black pepper
• 12 spring onions, white and green parts minced
• 3 1/4 tbsp minced fresh jalapeno pepper, seeds removed
• 5 ripe Hass avocados
• 1 1/2 tbsp toasted sesame seeds, optional
• Cheese biscuits, to serve