Preheat to 325°F, mix graham crumbs with sugar and melted butter, press into a 9-inch springform pan, and bake 8–10 minutes.
Beat cream cheese until smooth, mix in sugar, add eggs one at a time, then fold in sour cream, vanilla, lemon zest, and lemon juice.
Pour filling over crust, bake 50–60 minutes until slightly jiggly in the center, cool in the oven 1 hour, then chill at least 4 hours.
Mix sliced strawberries with sugar and lemon juice; let sit 20–30 minutes until juicy and glossy.
Release cheesecake, spoon strawberries on top, slice, and serve cold.