Beef Tataki and Avocado – La Classe de Cuisine

Ingredients

• 600 g beef filet or aiguillette
• 100 ml of mirin ( Japanese vinegar)
• 1 Tbsp turmeric
• 2 spring onions
• 100 ml Teriyaki Sauce
• 100 ml soya sauce
• 30 g butter
• 2 Tbsp neutral oil
• Some coriander leaves or basil leaves, as you prefer
• 1 lime
• 1 large avocado and 1/2 cucumber peeled and sliced in half