1Mix strawberries and 1 1/2 cups sugar. Let stand 1 hour.
2Heat oven to 425ºF. Mix Bisquick mix, milk, cherries, 6 tablespoons sugar and the butter until soft dough forms.
3Gently smooth dough into ball on surface sprinkled lightly with Bisquick mix. Knead 10 times. Roll dough 1/2 inch thick. Cut with floured 3-inch star-shaped or round cutter. Place about 1 inch apart on ungreased cookie sheet. Bake 10 to 12 minutes or until golden brown.
4Stir blueberries into strawberries. Beat whipping cream and 2 tablespoons sugar in chilled medium bowl with electric mixer on high speed until stiff. Split shortcakes in half. Fill and top with berries and whipped cream.