Combine cherries, sugar, tapioca and salt in medium saucepan; cook and stir over medium heat until mixture comes to a boil; let simmer about 5 minutes. Remove from heat; add almond extract, food color and butter. Cool.
Divide pastry dough in half and roll each in a large square. Cut each in 4 (6") squares. Put about ¼ c. cherry mixture in center of each square of