This yummy summer treat from          Queen  of the Castle: 52 weeks  of encouragement for the    uninspired,       domestically challenged or  just plain tired homemaker is perfect  for Memorial Day or the Fourth of July.   
Preheat oven to 350 degrees. Grease and flour an eighteen-inch pizza pan. With floured hands, smush 18-oz. package refrigerated sugar cookie dough evenly onto bottom of pan. Bake fourteen to sixteen minutes, until lightly browned. Cool. With electric mixer, beat: 1/2 cup whipping cream, to form soft peaks.
Fold in: 8 oz.  low-fat vanilla yogurt, to blend.  If making ahead, cover and  refrigerate at this point.  Before serving, spread whipped cream mixture  evenly over cooled cookie crust.  Arrange over top:
1 pint  basket (12 oz.) strawberries, stemmed and halved
1 cup  blueberries
Cut into twelve wedges and serve immediately. Enjoy!