Preheat the oven to 350°F. Line a 9x9 pan with parchment paper and set aside.
Pulse the graham crackers in a food processor until crumbly. Then add in the sugar and stream in the melted butter.
15 sheets graham crackers, 2 Tbsp. granulated sugar, 6 Tbsp. melted butter, unsalted
Press the graham cracker crumbs into the prepared pan and bake for ~8-9 minutes. Remove from oven and let cool completely.
Using a stand mixer fitted with the paddle attachment, beat the cream cheese on medium speed for 4-5 minutes or until light and fluffy. Then add the sugar and beat again for another 3 minutes.
24 oz. (3, 8 oz. packages) full-fat cream cheese, softened, 1 cup granulated sugar
Add in the sour cream, lemon juice, zest, and vanilla. On low speed, add the eggs one at a time just until the yolk disappears, do not over beat.
1/2 cup sour cream, room temperature, 1/4 cup lemon juice, fresh, 1 Tbsp. lemon zest, 1 tsp. vanilla extract, 3 large eggs, room temperature
Pour the cheesecake filling on top of the cooled crust.
Add a few dollops of lemon curd on top and swirl into the cheesecake with a butter knife. (About 1/4 cup curd should be plenty, or add more as desired)
lemon curd
Bake for 65-70 minutes or until the cheesecake is set. Cover the cheesecake with foil in the last 10 minutes of baking or once the tops begin to turn golden. Once it’s done, turn the oven off, open the oven door just a little and let the cheesecake cool in the oven for 1 hour.
Remove from the oven, let cool completely at room temperature and then cover and refrigerate overnight. When serving, add additional lemon curd on top. Enjoy!