Blueberry Buttermilk pie

Ingredients 1 9 inch pie crust (graham cracker pre-made crust works well) 1 cup fresh blueberries 3 eggs 1 cup buttermilk 4 tablespoons melted butter Juice from 1 lemon 1 teaspoon vanilla extract 1 ½ cup sugar ½ cup all-purpose flour Dash of salt…