syrop; arrange over fruit in pan, covering completely and trimming to fit. Gently spread remaining jam mixture over biscuits. Spoon remaining mascarpone mixture over; smooth top. Cover, chill at least 4 hours or overnight. Release pan sides. Transfer cake to platter. Arrange remaining fresh berries decoratively atop cake and serve. * Mascarpone is Italian cream cheese available at Italian markets and specialty food stores. If unavailable, blend 1 1/2 pounds cream cheese with 1/2 cup whipping cream and 6 tablespoons sour cream. Use 3 cups for this recipe. Bon Appetit Magazine August 1993