Spray a 9 inch square pan with a non-stick cooking spray.
Place the raspberry gelatin in a medium size bowl. Add in 1 cup of boiling water and whisk constantly for 2 minutes until the gelatin is completely dissolved. Stir in 1/2 cup of cold water.
Stir in the crushed pineapple with the juice and the cranberry sauce.
Pour the mixture into the 9 inch pan, cover it with plastic wrap and refrigerate it until it’s firm.
Refrigerate for a minimum of 6 hours or up to 3 days before.
Serve topped with fresh cranberries and reddi-whip if you prefer and enjoy!