Step 1

In a large mixing bowl, combine the lime Jello-O and boiling water. Stir until the Jell-O is dissolved. Add 1 cup cold water and stir to combine.

Step 2

Add the pineapple, cottage cheese, and Cool Whip to the bowl and stir until smooth and well blended. There should be no large lumps of Cool Whip remaining.

Step 3

Pour the mixture into a 9x13-inch pan, sprinkle with pecans, and refrigerate until set.