Make the crust: Mix graham cracker crumbs, sugar, and melted butter. Press firmly into the lined baking pan.
Bake crust: Bake at 350°F (180°C) for 10 minutes. Set aside.
Prepare cheesecake filling: Beat cream cheese and sugar until smooth. Add eggs one at a time, then vanilla and sour cream.
Assemble: Pour filling over crust and smooth the top.
Bake cheesecake: Bake 30 minutes until center is just set. Cool completely.
Add strawberry topping & serve: Cook strawberries, sugar, lemon juice, cornstarch, and water until thick. Cool and spread over cheesecake. Slice into bars and serve.