Perfect Activity for toddlers Blueberry Pie Filling 2 tablespoons cornstarch 1/2 cup sugar 2 cups fresh or frozen blueberries 1/2 cup water 1 teaspoon fresh lemon juice Strawberry Pie Filling 2 tablespoons cornstarch 1/2 cup sugar 2 cups fresh or frozen strawberries 1/2 cup water 1 teaspoon fresh lemon juice I used trader Joes Pie Crust. It’s easy and delicious! This recipe is so easy for kids to help out. The trader joes pie crust is so yummy, and once thawed, it is super easy to work with. My four year old helped with every step of the pie filling! She loved getting out the fruit, putting it in a colander, washing it! She helped to cut the strawberries and…