In chilled deep small bowl, beat filling ingredients with electric mixer on high speed until stiff peaks form. On tray, place 16 cookies right sides up. Spread 1 tablespoon whipped cream on top of each cookie, then top with another cookie. Repeat with remaining cookies and cream, making 4 layers of cookies and ending with a layer of cream. Place each cookie cupcake in a decorative cupcake liners. Cover with plastic wrap, and refrigerate at least 8 hours. Garnish with raspberries, strawberries and blueberries, if desired.