1. Mix orange-flavored gelatin with pineapple in a small saucepan. Cook over low heat until gelatin is completely dissolved. Remove from heat and stir in sugar. Cool completely.
2. In a medium mixing bowl, using a mixer on medium speed, beat gelatin mixture, baby food, cream cheese and whipped topping. Blend well. Stir in nuts. Spoon into serving bowl, cover, and refrigerate at least four hours.