• 425 g tuna
  • 125 g ricotta cheese
  • 1 spring onion , chopped
  • 30 ml mayonnaise
  • 1 small lemon, juice of
  • pepper
  • salt
  • 6 hamburger buns (round)
  • 1 In a large bowl, mix together tuna, ricotta cheese, spring onion, mayonnaise, lemon juice and season with pepper and salt.
  • 2 Cut the hamburger buns in half, separating top from bottom. Scoop out some of the bread from inside the buns (top and bottom) to make room for the tuna mixture.
  • 3 Fill the buns with the tuna mixture and place both halves back together. Wrap the bun in tin foil and place in a moderate oven (180 degrees Celsius) for 15-20 minutes.
  • 4 To serve, cut the buns in half from the top.