Heat oven 350°F Spray bottom of 10" springform pan with nonstick cooking spray. In small bowl, stir together gingersnaps with 6 Tbs melted butter(crust). Press into bottom and 1/2" up sides of pan; wrap outside of pan with foil. Bake 5-7 minutes until set.
Meanwhile, in large bowl, beat cream cheese and sugar at medium speed 2-3 minutes or until smooth. Beat in eggs, egg yolk, cream, 2 Tbs flour and flavoring 1 minutes or until blended.
In medium bowl, toss apples with 1 Tbs brown sugar and cinnamon until lightly coated.
Pour half of the filling into crust; arrange apples over the filling, overlapping slightly. Pour remaining filling over apples. Bake 40 minutes.
Meanwhile, in small bowl, stir together 1/2 cup flour, 1/2 cup light brown sugar, 1/4 nuts and 1/4 cup melted butter(topping); sprinkle over cake. Bake 20-25 minutes or until top is golden brown and set 3" from edge. Cool on wire rack to room temperature.