Prep Time: 5
Cook Time: 4
Serves: Serves: 1
Combine oil and rosemary; brush lightly over one side of each slice of bread. Turn one slice over onto a sheet of wax paper. Spread mustard over bread. Place one slice of cheese over bread. Top with prosciutto, remaining slice of cheese and bread, oiled side up.
Cook sandwich in a preheated panini maker or lightly greased waffle iron until golden brown and cheese is melted, about 3 to 4 minutes.*