Ingredients

• For the Deviled Ham:
• 1/2 pound prosciutto cotto, coarsely chopped
• 1 small rib celery from heart, coarsely chopped
• 1 Fresno chili pepper, coarsely chopped
• 1/2 small red onion, coarsely chopped
• 2 to 3 tablespoons flat-leaf parsley tops, a small handful
• 1 large clove garlic, grated or pasted
• 3 tablespoons yellow mustard, such as French’s
• 2 round tablespoons pickle relish
• 2 teaspoons hot sauce, such as Frank’s Red Hot
• 2 teaspoons Worcestershire sauce, such as Lea and Perrin’s
• Black pepper
• 
  
• Good quality salted butter, melted
• 8 hand-sliced slices good quality white bread, cut 1/2-inch thick
• 8 deli slices Swiss cheese, such as Jarlesberg
• 8 deli slices yellow cheddar cheese