Very Berry Shortcakes

2    c. strawberries
1    c. raspberries
1    c. blueberries
1/3  c. sugar
2-1/3 c. Bisquick baking mix
1/2  c. milk
3    Tbsp. sugar
3    Tbsp. margarine or butter, melted
3/4  c. sour cream
2    Tbsp. brown sugar

Sprinkle fruit with 1/3 c. sugar; let stand 1 
hour.  Heat oven to 425 degrees.  Mix baking 
mix, milk, 3 tablespoons sugar and the margarine 
until soft dough forms.  Smooth dough into ball 
on cloth covered board lightly floured with 
baking mix.  Knead 8 to 10 times.  Roll dough 
1/2 inch thick.  Cut with floured 3 inch cutter. 
Bake on ungreased cookie sheet until golden 
brown, 10 to 12 minutes.  Mix sour cream and 
brown sugar.  Split shortcakes; fill and top 
with fruit.  Top with sour cream.