Potato Waffle Croque Monsieur Recipe

Ingredients

• 2 cups shredded Idaho Russet Potatoes
• 1 cup all-purpose flour
• 1 large egg
• 1 teaspoon baking powder
• 1/2 teaspoon salt
• 1 teaspoon brown sugar
• 1/2 cup buttermilk
• 2 TBSP butter
• 2 TBSP all-purpose flour
• 1 1/2 cups milk
• 4 slices ham
• 1 cup shredded Gruyere
• Dijon mustard to taste
• pinch cayenne pepper