Thanksgiving Butterscotch Pie

Ingredients

 * 1 cup brown sugar
 * 1 tbsp flour
 * 1 cup milk
 * ¼ tsp salt
 * 1 pastry shell
 * 2 tbsp butter
 * 1 egg, separated
 * 1 tsp vanilla
 * 1 tsp sugar

Directions

 * 1) Boil the brown sugar and butter together until soft.
 * 2) Beat the egg yolk well and add it to the flour, then add the milk.
 * 3) Beat this until very smooth.
 * 4) Combine with the sugar mixture and cook until the mixture thickens.
 * 5) Remove from fire and add salt and flavoring.
 * 6) Pour into a pastry-lined pan.
 * 7) Bake at 450°F for 10 minutes; reduce the heat to 350°F and bake 30 minutes.
 * 8) Cover pie with a meringue made by beating the white of the egg stiff and adding 1 tsp sugar.
 * 9) Return pie to oven to brown meringue.