In a large mixing bowl, combine the pitted cherries, lemon juice, cornstarch, 2 tablespoons of granulated sugar, and vanilla extract. Gently toss the ingredients together until the cherries are fully coated. Allow the mixture to rest for about 10 minutes.
Place the pre-made pie crust into a 9-inch pie dish. Press it down lightly to ensure it fits snugly against the edges. If there’s any excess crust hanging over the edges, trim it to keep a clean finish.
Carefully pour the cherry mixture into the pie crust, using a spatula to spread it evenly across the base.
In a separate bowl, mix together the all-purpose flour, rolled oats, almond meal, the remaining sugar, ground cinnamon, and a pinch of salt. Stir until combined, ensuring no lumps remain.
Pour the melted butter and almond extract into the dry ingredients. Mix thoroughly with a fork or your hands until the mixture achieves a crumbly texture that resembles coarse crumbs.
Evenly distribute the crumble topping over the cherry filling, ensuring that it covers the cherries thoroughly.
Place the pie in the preheated oven and bake for approximately 30-35 minutes, or until the topping is golden brown and the cherry filling is bubbling.
Once baked, remove the cherry almond crumble pie from the oven and allow it to cool for at least 15 minutes before slicing.
Notes
Serve warm with vanilla ice cream or whipped cream for an indulgent treat.