Prawn and cucumber squares (oshi sushi)

Method

1. Cook the sushi rice in 375ml water over a low heat for approximately 20 minutes or according to packet instructions.
2. Lay the prawns in diagonal rows in a 27cm x 18cm cake tin lined with cling film.
3. Cut the cucumber into strips and lay between the prawns.
4. Mix the toasted sesame seeds and the pickled ginger into the rice. Press firmly in an even layer in the tin. Chill for 1 hour or overnight.
5. Turn out so the prawns are on top. Cut into 24 squares.