Method:

• In medium bowl, stir cookie mix, butter, egg and lemon peel until soft dough forms. Stir in crystallized ginger. Divide dough in half. On waxed paper, shape each half into 8-inch-long roll. Wrap in waxed paper. Freeze about 1 hour or refrigerate about 3 hours until firm enough to slice.
• Heat oven to 350ºF. Using a sharp thin-bladed knife, cut each roll into 32 (1/8-inch-thick) slices. Rotate roll while cutting to prevent flattening. On ungreased cookie sheets, place slices 1 inch apart. Bake 9 to 11 minutes, or until edges are light brown. Cool 1 minute; remove to cooling rack. Cool completely, about 30 minutes.
• 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 and refrigerate at least 8 hours. Garnish with raspberries, strawberries and blueberries, if desired.