Preheat oven to 325ºF.
Lightly coat a 9-inch springform pan with cooking spray. Crush cookies; sprinkle evenly over bottom of pan.
Using an electric mixer, in a large bowl, beat together cream cheeses on lowest speed until well-blended.
In a small bowl, combine sugar and flour; add to cream cheese mixture and beat until smooth.
In a food processor or blender, purée cottage cheese until smooth. Add cottage cheese and almond extract to cream cheese mixture; beat until smooth. Add egg whites; beat until well-blended. Stir in ½ cup chocolate chips.
Pour batter into prepared pan and sprinkle with remaining chocolate chips. Bake until cheesecake puffs and center is almost set, about 60 minutes.
Transfer to a wire rack and cool completely. Run a knife around sides of pan to loosen; release pan sides. Cover and chill overnight. Cut into 12 slices and serve. Yields 1 slice per serving.
