Preheat a grill to medium heat.

Butter the outsides of your bread, then spread the pizza sauce onto the inside of the bread.

Add the ham, a pineapple ring then the mozzarella cheese.

Cook on your grill until each side of the sandwich is crunchy and golden brown, and the cheese is melted. About 3 minutes per side.

Or if you can cook these in a sandwich or panini press.