Preheat oven to 400°F/200°C.
Drain cherries and reserve juice. Combine 1/2 cup cherry juice with corn starch. Add sugar, lemon peel, salt, corn syrup, butter, almond extract and food colouring; stir until combined. Stir in cherries.
Place one crust in pie pan. Pour in filling. Place remaining pie crust over filling. Flute edges and cut slits in top crust.
Place pie on a baking sheet or pizza pan (in case the pie bubbles over during baking). Bake for 10 minutes; reduce heat to 350°F/180°C and bake 40 minutes longer or until lightly browned. Serve warm with vanilla ice cream, if desired.