Croque Monsieur with Mustard Mornay

Ingredients

• 1 large chicken breast
• ½ cup panko crumbs
• 2 tablespoons butter, melted
• ¼ teaspoon garlic powder
• 1 teaspoon
• Plochman’s
• Mild Yellow Mustard
• ¼ cup flour
• 1 egg, lightly beaten
• Kosher salt and pepper
• 4 slices Challah bread, cut 1-inch thick
• 2 tablespoons butter, softened
• 2 large ham slices, to taste
• 4 Swiss cheese slices
• ¼ cup grated Parmesan
• Garnish with thyme
• Baby dill pickles
• 2 tablespoons unsalted butter
• 2 tablespoons flour
• 1 cup whole milk
• 2 tablespoons
• ½ cup grated Parmesan