In a small saucepan, combine gelatin, sugar and water. Bring to a boil and mix until dissolved. Remove from heat, add baby food and pineapple with juice. Stir, set aside to cool for 10 minutes.

In a small bowl, combine the cream cheese and sweetened condensed milk, mix together until smooth. Pour into fruit mixture and whisk together.

Stir in pecans and pour into a 9x13 inch pan. Refrigerate until chilled. Top with thawed whipped topping if desired. Sprinkle with pecans to decorate and cut into squares.