Combine all ingredients except bread slices.
Trim crusts of all slices.
Press each slice lightly with a rolling pin on a work surface.
Smear water on the edge of each slice place edge of another slice on it and roll again.
Spread the mayonnaise mixture on the rolled out long slice.
Gently roll from the edge as tightly as possible.
Continue the process with other slices and wrap them individually in plastic wrap or aluminium foil.
Place the rolls in the fridge for an hour.
Take out, unwrap and slice.