Monte Cristo Sandwich

Ingredients

• 3  tablespoons  Dijon mustard
• 2  6-count boxes frozen French toast
• 1  9-ounce package thinly sliced ham
• 1  9-ounce package thinly sliced turkey
• 12  slices Swiss cheese
• 3  tablespoons  mayonnaise (optional)
• 6  tablespoons  butter, at room temperature

Directions

1. Heat oven to 400° F.
2. Spread the mustard on 6 pieces of the French toast. Divide the ham and turkey evenly among them and top each with 2 slices of the cheese.
3. Spread the remaining 6 pieces of French toast with the mayonnaise (if desired) and sandwich together.
4. Heat a large skillet over medium heat. Spread ½ tablespoon of the butter on the top and bottom of each sandwich.
5. Cook 3 sandwiches in the skillet until brown, 2 minutes per side. Transfer to a baking sheet. Repeat with the remaining sandwiches.
6. Transfer to oven and bake until the cheese is melted and the toast is heated through, about 4 minutes.