Croque Monsieur Pasta Bake - The Measured Scoop

Ingredients

• 1 lb pasta, cooked according to package directions
• 2 tablespoons olive oil
• 1/2 lb ham, diced
• 5 ounces gruyere cheese, shredded
• 1/4 cup dijon mustard
• 16 ounces ricotta
• 1 egg
• 1/3 cup unsalted butter
• 1/3 cup flour
• 3 cups whole milk
• 2 teaspoons salt
• 1/2 teaspoon white pepper
• 1/2 teaspoon garlic powder
• few pinches nutmeg