Cheesecake, Dvora's

Ingredients

• up butter, softened
• 2 eggs, separated + another 2 egg whites (*you should have 1 cup egg white, room temperature)
• 1 teaspoon vanilla pure essence
• 3 tablespoons flour
• 1 tablespoon cornflour (like pudding stuff, white in color) [ARCHIVIST'S NOTE: cornflour is the British for corn starch]
• 1 cup sugar, divided (1/2 cup for the cheese, 1/2 cup for the egg white)
• 1 tablespoon lemon zest + 1 tablespoon lemon juice
• *Grind the 1/2 cup sugar for the egg white