Method:
Step
1
Combine
tuna, celery and mayonnaise in a medium bowl.
Step
2
Using
a 9cm fish-shaped cutter, cut 1 fish shape from each slice of bread, discarding
trimmings.
Step
3
Spread
24 fish shapes with avocado. Place 2 slices of cucumber, slightly overlapping,
on top of avocado. Divide tuna mixture over cucumber. Place remaining fish
shapes over filling.
Serve.