Mr. Crunchy Croque Monsieur Recipe

Ingredients

• 1 tablespoon dried thyme
• 1 tablespoon dried rosemary
• 1 tablespoon dried tarragon
• 1 tablespoon dried basil
• 2 teaspoons fennel seeds
• 2 teaspoons dried marjoram
• 1 teaspoon dried oregano
• 1 teaspoon dried dill
• 1 teaspoon dried chervil
• 2 tablespoons unsalted butter
• 1 ounce all-purpose flour
• 8 fluid ounces whole milk
• 1 teaspoon fresh thyme leaves
• 1/2 teaspoon kosher salt
• 1/2 teaspoon freshly ground white pepper
• 1/4 teaspoon freshly grated nutmeg
• 4 slices sourdough bread, cut 1/2 inch thick
• 1 tablespoon whole grain mustard, divided
• 6 ounces grated Gruyere, divided
• 4 ounces thinly sliced black forest ham, divided
• 1 teaspoon Herbes de Provence blend