Creamy Cheesecake with Macadamia and Pine Nut Crust

DIRECTIONS

1. Preheat oven to 350°F. 
2. To make the crust: In a food processor, pulse nuts and 1 1/2 tablespoons sugar substitute until finely ground. Add butter and pulse to combine. Using your fingers, gently press nut mixture into the bottom a 9 springform pan. Bake 10 minutes and remove from oven to cool. 
3. To make filling: In a food processor, pulse cream cheese and 1/2-cup sugar substitute in until smooth. Add eggs, one at a time, pulsing well and scraping down bowl as necessary. Add sour cream, vanilla, lemon zest and salt, pulsing just to combine. Pour filling into prepared crust.
4. Bake 40 minutes. Turn off oven; let cheesecake cool for one hour without opening door. Chill 12 to 24 hours. If desired, garnish with blueberries before serving.