Combine milk, syrup, egg yolks, flour in double boiler. Cook slowly over simmering water - about 1/2 hour. Add dash of salt and vanilla. Pour in baked pie shell. Sprinkle with half the nuts. Chill. Shortly before serving spread on yogurt or whipped cream and sprinkle on the rest of the nuts. By Carolyn Westwood - Serves 8 From Maple Dessert Recipes by Massachusetts Maple Syrup