Ingredients: 1/2 Stick Butter 1/4 Cup Flour 1 1/2 Cups Milk Dash Nutmeg Teaspoon Dijon mustard Dash Salt Dash Pepper Sliced Ham Arugula 16 slices of bread Bechamel Sauce Melt butter in a saucepan. Whisk flour, stir constantly, and cook for 3 minutes. Gradually add milk while whisking. Cook until thickened. Season with salt, pepper, nutmeg and stir in the dijon mustard. Lay 8 slices of white bread on a baking sheet Spread bechamel sauce on bread Top with ham Sprinkle with gruyer cheese Top with arugula Place a slice of white bread on top Sprinkle extra gruyer cheese on top Bake in the oven at 425 degrees for about 6-10 minutes. Turn on the broiler for at least 2 minutes to get the cheese on top golden. Serve with tomato soup!