Step 1

Finely dice a piece of onion, the pickles and celery. Peel and grate the carrot.

Step 2

Drain the tuna.

Step 3

Add all the vegetables and tuna into a bowl.

Step 4

Add a few tablespoons of light mayonnaise and a teaspoon of mustard. Mix well.

Step 5

Toast the bread and spread the mixture onto both slices.