Preheat the oven to 350°F. Mix the sugar and almond flour. Add the butter and stir until mixed well. Press the mixture into the bottom of a greased springform pan. Bake for 10 minutes. Cool.
Cheesecake
Preheat the oven to 400°F. Add a large pan filled with warm water to the bottom shelf of the oven.
Beat the cream cheese and sugar in a mixing bowl until smooth.
Beat the vanilla extract and vanilla paste, then add the lemon juice, and sift in the cornstarch. Beat until well combined.
Add the eggs and beat just until well mixed, being careful not to overmix.
Stir in the sour cream.
Pour the mixture into the springform pan on the cooled crust. Place a sheet of aluminum foil over the pan and bake for 55 minutes. Remove the aluminum foil during the last 15 minutes of baking.
Let the cake cool in the oven, with the door propped open, for 3 hours. Refrigerate and serve cold.
Notes
Water Bath
Using a pan of water while baking the Vanilla Bean Cheesecake will help prevent cracking during baking.
Substitutions
Vanilla
You can substitute a vanilla bean for vanilla bean paste. Cut the bean lengthwise and use a knife to scrap out the seeds. One-half of a vanilla bean equals about 1 teaspoon of vanilla bean paste. Also, you can use vanilla extract in place of the vanilla bean paste. You can find vanilla bean paste in the baking aisle at grocery stores or for purchase online.
Crust
Make a nut-free crust by substituting crushed graham crackers for the almond flour.
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