Preheat your oven to 325°F (163°C). Grease a 9-inch springform pan.
Mix graham cracker crumbs, sugar, and melted butter. Press into the pan base. Bake for 10 minutes. Let it cool.
Beat cream cheese until smooth. Add sugar, salt, sour cream, lemon zest, and vanilla. Mix until combined.
Add lightly beaten eggs gradually, mixing on low until just incorporated. Don’t overmix.
Pour filling over the crust. Tap gently to remove air bubbles.
Bake for 55–65 minutes or until edges are set but center slightly jiggles.
Cool completely, then refrigerate for at least 6 hours or overnight.
For topping, simmer strawberries, water, sugar, lemon juice, and cornstarch until thickened. Cool, then spoon over cheesecake before serving.