Lactose-Free Blueberry Cheesecake

Directions

1. In a small bowl, combine cracker crumbs and margarine. Press onto the bottom of a 6-in. springform pan coated with cooking spray. Place on a baking sheet. Bake at 325° for 10 minutes. Cool on a wire rack.
2. Meanwhile, in a small bowl, beat the cream cheese, sugar and flour until smooth. Add egg; beat on low speed just until combined. Stir in the lemon juice, lemon zest and vanilla. Pour over crust.
3. Return pan to baking sheet. Bake at 325° until center is almost set, 40-45 minutes. Cool on a wire rack for 10 minutes. Carefully run a knife around edge of pan to loosen; cool 1 hour longer. Refrigerate overnight.
4. For topping, combine sugar and cornstarch. Stir in water until smooth. Stir in blueberries. Bring to a boil. Cook and stir for 2-3 minutes or until thickened. Transfer mixture to a bowl; cover surface with plastic wrap. Cool to room temperature. Spoon topping over cheesecake. Refrigerate leftovers.