Hot Browns

Directions

1. 1
   In a small saucepan cook the onion in the butter over moderately low heat, stirring, until it is softened, stir in the flour, and cook the roux, stirring, for 3 minutes.
2. 2
   Remove the pan from the heat and add the milk, scalded, in a stream, whisking vigorously until the mixture is thick and smooth.
3. 3
   Add the cayenne and salt and pepper to taste and simmer the sauce, stirring occasionally, for 10 to 15 minutes, or until it is thickened to the desired consistency.
4. 4
   Strain the sauce through the fine sieve into a bowl and add the Sherry and Cheddar, stirring until the mixture is smooth.
5. 5
   Arrange the toasts in a baking pan and divide the turkey among them.
6. 6
   Top each sandwich with a tomato slice and 2 slices of the bacon and spoon the sauce evenly over the sandwiches.
7. 7
   Sprinkle the sandwiches with the Parmesan and broil them under a preheated broiler about 4 inches from the heat for 5 to 7 minutes, or until the tops are brown and bubbly.