In a bowl, mix flour, sugar and salt. Cut in butter until mixture resembles coarse crumbs. Press firmly onto the bottom and sides of a 9-in. pie plate.
Bake at 350° for 15-20 minutes or until golden brown. Cool completely.
In a saucepan, combine milk, chocolate chips and salt; cook and stir over low heat until chocolate melts. Stir in pie filling and extract. Pour into crust. Chill 2-3 hours or until firm. Garnish with whipped cream and cherries if desired.