Step 1

Place the ham and gherkins in the bowl of a food processor. Pulse to chop.

Step 2

Transfer the ham mixture to a large bowl.

Step 3

Add the mayonnaise, mustard, parsley, scallions, celery and red onion. Stir to combine.

Step 4

Season with salt and pepper, to taste.

Step 5

Transfer to an airtight container and chill until ready to use.