Created by MimiMaine on February 13, 2012
Step 1: Combine the apples, mayonnaise, and walnuts.
Step 2: Place one slice of cheese on four slices of bread; layer each with 1/3 cup of apple mixture and then a slice of ham and another piece of cheese.
Step 3: Put other slice of bread on top.
Step 4: Butter the outside and cook in a large skillet over medium heat till both sides are golden brown and cheese is melted.