In a small bowl, blend sour cream and brown sugar. Chill. Place 6 French toast slices in the bottom of a greased 13x9-inch baking pan.
Layer ham, 1 1/2 cups cheese and remaining 6 slices of French toast. Spread apple pie filling on top and sprinkle with granola.
Bake at 350?F for 25 minutes. Top with remaining 1/2 cup cheese and bake 5 minutes or until cheese is melted. Serve with sour cream mixture.