I just baked a simple raspberry pie (1 qt. raspberries, 1 cup sugar, 2 tablespoons cornstarch and a dash of salt in a pie crust- found on cooking.com). After 40 minutes, the filling is total liquid. Should I throw out- or will it set? Was it too little cornstarch or sugar? Recipe said to just mix, fill and bake! Sounded too easy... Any ER advice welcome! Thx, AM