– 3-8 oz. packages cream cheese softened – 1 cup granulated sugar – 1½ tbsp all-purpose flour – 1½ tsp lemon extract – 2 tsp vanilla extract – 1 cup sour cream room temperature – ½ cup heavy whipping cream room temperature – 1-2 tbsp lemon zest – ¼ cup lemon juice freshly squeezed – 3 large eggs room temperature – 1½ cups Graham cracker crumbs – ⅓ cup granulated sugar – ½ cup salted butter melted