The Best Ham Salad (+Video)

Name: The Best Ham Salad (+Video)
Prep time: 20 min
Total time: 20 min
Cuisine: American
Ingredients: 1 1/2 pounds boneless cooked ham, diced ((leftover or purchased thick slab, trimmed of fat)); 1 hard-boiled egg; 1 stalk celery, roughly chopped; 2 teaspoons finely chopped onion; 3/4 cup mayonnaise; 2 teaspoons sweet pickle relish ((optional)); 1 Tablespoon prepared mustard; salt and pepper (to taste); assorted crackers and/or soft rolls ((for serving))