• 600g sweet potatoes , peeled and chopped
  • Butter
  • A thumb-sized piece ginger , peeled and grated
  • Vegetable Oil
  • 1 bunch spring onions , chopped into 2cm pieces
  • 2 tuna steaks
  • 4 tbsp soy sauce


  • STEP 1
    Add the potatoes to a pan of boiling water and cook until tender.
  • STEP 2
    Drain then put back in the pot with a knob of butter and the ginger then mash until smooth. Keep warm.
  • STEP 3
    Heat a little oil in a wide pan and add the onions. Cook for about 5 minutes until softened. Move the onions to the edge of the pan and turn up the heat. Add the tuna and cook for 1 minute each side for rare, 2 for medium. Add the soy sauce to the pan and turn the tuna and onions to coat.
  • STEP 4
    Serve the tuna topped with the onions and the mash on the side.

Comments, questions and tips

Rate this recipe

What is your star rating out of 5?

Choose the type of message you'd like to post

Choose the type of message you'd like to post

Overall rating

A star rating of 4.8 out of 5.7 ratings