AUNT SARAH'S BUTTER SCOTCH PIE
Boil together 1 cup brown sugar and 2 tablespoons butter until a soft,
wax-like consistency. Mix together 2 heaping teaspoons flour, yolk of
1 egg and 1 cup of milk. Beat until smooth; stir this into the sugar
and butter mixture and cook until thick. Flavor with lemon or vanilla,
pour into baked crust and spread over top the beaten white of 1 egg to
which has been added tablespoon sugar and brown in oven.