Preheat oven to 350 degrees F (175 degrees C).
To make the crust, combine the graham cracker crumbs, sugar, and melted butter in a medium bowl. Press the mixture into the bottom of a 9-inch springform pan.
To make the filling,beat the cream cheese and sugar together in a large bowl until smooth. Beat inthe eggs one at a time, then stir in the vanilla extract and sour cream. Foldin the blueberries.
Pour the filling in to the prepared crust and bake for 50-60 minutes, or until the cheesecake is set.
To make the topping, combine the sugar, cornstarch, water, and food coloring in a small saucepan. Bring to a boil over medium heat, stirring constantly. Reduce heat to low and simmer for 1 minute, or until thickened.
Pour the topping over the cheesecake and let cool completely before serving.