Set oven at 400 Cream together butter sugar vanilla and flour Mix well Beat in eggs one at a time Stir in Kahlua corn syrup milk and pecans Mix well and pour into chilled crust Bake for 10 minutes then reduce heat to 325 and bake until firm about 40 minutes Chill When ready to serve garnish with whipped cream and pecan halves Serves 8 to 10