Place ham slices into a pot add 1 tablespoon of brown sugar. Add enough water to just cover the ham. Simmer for about 20 minutes.
Remove ham from water, and allow to cool.
In a food processor process the ham mixture by adding ham slices, red onion, gherkin pickles, pickle juice, mayonnaise to the food processor. Pulse several times. Taste, and season with salt and pepper. Place in a large bowl.
Be sure to refrigerate until you are ready to serve.