Monte Cristo Sandwiches

Name: Monte Cristo Sandwiches
Total time: 25 minutes
Yield: Makes 2 servings
Ingredients: 4 ⅓" thick slices egg bread; 2½ tablespoons whole grain Dijon mustard, divided; 4 thin slices aged white cheddar cheese (cut to size of bread), divided; 4 thin slices smoked turkey; 4 thin slices smoked ham; 4 leaves mustard greens (trimmed to size of bread); 2 large eggs; 3 tablespoons butter