Fat grams per serving: Approx. Cook Time: :45 Preheat oven to 180ºC . Grease 20 cm square pan. Mix brown sugar and butter till well blended. Stir in Bisquick and walnuts till mixture is crumbly; reserve 1 cup. Press remaining mixture in pan with fingers. Bake dozen minutes. Mix cream cheese and granulated sugar; beat in remaining ingredients till smooth. Spread cream cheese mixture over layer in pan; sprinkle with crumbly mixture. Bake till centre is firm, about 25 minutes. NB. Results aren't always consistent (sometimes it's too crumbly or the bottom layer sticks in the pan).