Cook the bacon in a skillet, then set aside and pat dry. Drain off the excess bacon grease.
While bacon is cooking, butter the outsides of the bread bread and make the honey mustard. Whisk together the honey and mustard in a small bowl.
Generously spread the honey mustard onto the insides of the bread. Then add a slice of the sharp cheddar cheese to each bread, add the bacon in the middle, sprinkle Parmesan cheese on top of the bacon, and then put together into a sandwich.
Grill in the same skillet or on an electric griddle. Flip carefully to prevent bacon from sliding out!
Serve Bacon, Honey Mustard Grilled Cheese with fresh fruit.