Add the cherries, sugar, water, and salt to a medium saucepan over medium heat. Cover the saucepan and cook until the cherries are softened but not mushy, about 5 minutes.
Stir in the cornstarch slurry and cook until thickened, about 30 seconds, stirring constantly.
Remove from the heat and stir in the lemon juice and almond extract.
Notes
Frozen Cherries: If you use frozen cherries here, reduce the added water from 1/4 cup to 2 tablespoons.
Recipe Yield and Serving Size: This recipe makes about 1 1/2 cups, which is 6 (1/4-cup) servings.
Storage: After cooling, store in an airtight container in the fridge for up to 1 week or in the freezer for up to 3 months.