Preheat the oven to 350. Prepare a springform pan with a Graham Cracker Crust (see link above ingredients).
In a medium bowl blend together the goat cheese with the sugar, lemon juice, lemon zest and vanilla; until smooth.
Beat in the egg yolks - 2 at a time - incorporating them completely before adding remaining yolks; 2 at a time.
Beat in flour at low speed.
In another bowl, using clean beaters, beat the egg whites until firm but not dry. Beat a third of the whites into the goal mixture, then gently fold in the remaining whites.
Spoon batter into prepared pan and bake for about 40 minutes. Transfer to a wire rack to cool.