- 1 (3 ounce) package lemon-flavored gelatin mix (such as Jell-O®)
- 1 cup boiling water
- 1 (8 ounce) can crushed pineapple with juice
- 1/2 cup white sugar
- 1 (8 ounce) package pimento cheese
- 1 (8 ounce) container frozen whipped topping (such as Cool Whip®), thawed
- Stir lemon gelatin and boiling water in a bowl until gelatin has dissolved; set aside to cool.
- Stir crushed pineapple with juice and sugar together in a small saucepan over medium heat until sugar has dissolved and mixture comes to a simmer. Set pineapple mixture aside to cool.
- Transfer cooled gelatin and pineapple mixture to a serving dish or mold; stir pimento cheese into mix until completely combined. Gently fold whipped topping into gelatin mixture. Refrigerate overnight.