Smoked cooked turkey is a good substitute for the cooked ham.
In a hurry? Replace the homemade salad filling with your favorite deli salad.
You can make the salad "bowl" up to a week ahead. After baking, cool completely, then wrap and freeze. To serve, place on serving plate; let stand uncovered at room temperature about 1 hour or until thawed. Make the salad filling the night before and chill.