Make these ham salad sandwiches for an easy family lunch or picnic. Quarter the sandwiches to serve as luncheon or party sandwiches or serve them in biscuits soft mini sandwich buns. It makes a great filling for wraps or pita pockets as well. It also makes a tasty spread on sturdy crackers or crostini. The salad is a good use for leftover ham, or buy a ham steak or deli ham for the salad. Feel free to leave the onion out if you aren't a fan, or replace the onion with a small amount of red or green bell pepper. If you're following a low-carb diet, wrap the salad in large lettuce leaves, or simply mound it on spring greens or lettuce with tomato or avocado slices on the side.