Chilled Chocolate Cheesecake

24 chocolate wafers, finely crushed
3 tablespoons water
1 cup nonfat cottage cheese
1/2 cup egg beaters
12 ounces light cream cheese
1 cup granulated sugar
1/2 cup unsweetened baking cocoa
1/4 cup all-purpose flour
1 teaspoon vanilla extract
3/4 cup powdered sugar
3/4 cup nonfat sour cream
1 tablespoon lavender flowers (optional garnish)

In a small bowl, toss chocolate wafer crumbs with water, a tablespoon at a time, until crumbs are moistened. Press onto bottom of 8-inch springform pan; set aside.

In electric blender or food processor, blend cottage cheese and egg until smooth, scraping down sides of container as necessary.

In large bowl, with electric mixer at medium speed, beat cream cheese and granulated sugar until smooth. Add cottage cheese mixture, cocoa, flour and vanilla; beat until well blended and smooth. Pour batter into prepared crust. Bake in a 300°F (150°C) oven for 60 to 65 minutes or until puffed and set.

Cool in pan on wire rack 15 minutes. Carefully run metal spatula around edge of cheesecake to loosen. Cover; chill at least 4 hours.

In small bowl, combine powdered sugar and sour cream. Serve with cheesecake.