Step 1

Preheat oven to 350°. Spray a 9-inch pie plate or baking dish with cooking spray. Set aside.

Step 2

Make the filling by adding the blueberries, sugar, flour, cinnamon, salt, lemon zest, and lemon juice to a bowl and mix until the berries are coated.

Step 3

Pour the blueberry mixture into the pan.

Step 4

Stir together flour, salt, cinnamon, and sugar in a medium bowl with a fork. Pour in melted butter and vanilla. Mix until combined and clumps form.

Step 5

Sprinkle the crisp topping evenly over the blueberries.

Step 6

Bake for 45 to 50 minutes or until the top is golden and the filling is bubbly. .