Mix gelatin and hot water until gelatin is dissolved. Add blueberries and pineapple, including juices. Pour into a 13 x 9-inch dish. Chill until congealed. Spread with topping just before serving, then sprinkle with nuts.
Topping 8 ounces cream cheese 1/2 cup sour cream 1/3 cup granulated sugar 1/2 teaspoon vanilla extract 1 1/2 cups nuts, finely chopped
Mix first 4 ingredients well. Spread on top of salad. Sprinkle with nuts. |