Prepare pastry and line a 9-inch pie pan. Save remaining pastry for top and refrigerate
both while you make the filling.
Pit cherries and toss thoroughly with tapioca, sugar, lemon juice and almond
extract. Let stand about 10 minutes, then pour into unbaked pie shell and dot with
butter. Cover with top crust (or make a lattice top) and seal edges.
Bake at 450
degrees F for 10 minutes.
Reduce heat to 350 degrees F and continue baking for 40 to 45 minutes.