Creating a Blueberry Cheesecake is an enjoyable process. Follow these steps for success:

1. Preheat the Oven: Preheat your oven to 325°F (160°C).
2. Make the Crust: In a mixing bowl, combine the graham cracker crumbs, melted butter, and sugar. Mix well until the texture resembles wet sand.
3. Press the Crust: Transfer the mixture into a 9-inch springform pan. Press it firmly into the bottom and slightly up the sides.
4. Bake the Crust: Bake in the preheated oven for 10 minutes. Remove and let it cool while you prepare the filling.
5. Prepare the Filling: In a large mixing bowl, beat the cream cheese until smooth and creamy. Gradually add sugar and continue mixing until well combined.
6. Add Eggs: Add the eggs one at a time, mixing well after each addition. Scrape down the sides as needed to ensure everything is well blended.
7. Incorporate Sour Cream and Lemon Juice: Stir in the sour cream and lemon juice until fully combined for a rich and creamy texture.
8. Pour the Filling: Pour the cheesecake filling over the cooled crust, smoothing the top with a spatula.
9. Bake the Cheesecake: Bake for 50-60 minutes or until the edges are set and the center still has a slight jiggle.
10. Cool Gradually: Turn off the oven and allow the cheesecake to cool inside with the door slightly ajar, about 1 hour.
11. Refrigerate: Cover the cheesecake with plastic wrap and refrigerate for at least 2 hours, preferably overnight for better flavor.
12. Prepare the Blueberry Topping: In a saucepan, combine blueberries, sugar, cornstarch, lemon juice, and water. Cook over medium heat while stirring gently until thickened to a syrupy consistency.
13. Cool Topping: Once thickened, remove from heat and let cool.
14. Top the Cheesecake: Once the cheesecake is chilled, pour the blueberry topping over the cheesecake. Spread evenly.
15. Serve: Slice and serve chilled, garnishing with additional blueberries if desired.

By following these steps, you will be well on your way to creating a delightful Blueberry Cheesecake that will impress your family and friends.