1Heat oven to 450°F. In medium bowl, stir Bisquick mix, sugar, butter and 1/2 cup of the yogurt until soft dough forms. Turn dough onto surface lightly dusted with Bisquick mix; gently roll in Bisquick mix to coat. Shape dough into ball; knead 8 to 10 times.
2Roll dough 1/2 inch thick. Cut with floured 3-inch cutter. Place on ungreased cookie sheet. Bake 8 to 10 minutes or until golden brown.
3Split shortcakes. Spoon strawberries and remaining yogurt between halves of shortcakes and over tops.