Whisk the mayonnaise, relish, mustard, and lemon juice together in a large bowl. Set aside.
½ cup mayonnaise, ¼ cup sweet relish, 2 tbsp grainy Dijon mustard, 1 tbsp lemon juice
Add the ham, celery, onion, and parsley to the bowl of a food processor. Pulse a few times until it’s more finely chopped and combined, then transfer it to the bowl with the mayonnaise mixture. Stir, tasting and adding more mayonnaise or relish if desired to achieve a spreadable consistency, as well as salt and pepper.
1 lb. leftover cooked ham, 3 tbsp diced celery, 2 tbsp diced red onion, 1 tbsp chopped fresh parsley, salt and pepper
Cover and chill for at least an hour before serving as is with crackers or on bread or rolls as sandwiches.
crackers, soft rolls, or bread