In a large ceramic pot or saucepan on medium heat add the water, sugar, and cornstarch. Stir constantly until the sugar and cornstarch are completely dissolved.
Add the cherries and stir frequently until the mixture begins to boil.
Reduce the heat to a simmer and cook 2 - 3 minutes or until the sauce thickens.
Remove from heat. Stir in the almond extract and lemon juice.
Cool Down
Pour the filling into a medium glass bowl and allow to cool at room temperature for at least 2 hours.