Aunt Mary brings this out when she wants something sweet that feels special but takes almost no effort.

When you’re ready to serve, remove the dish from the freezer and let it sit on the counter for 5–10 minutes to soften slightly. Use a sharp knife dipped briefly in warm water and wiped dry to cut neat squares, or scoop it like ice cream. Serve directly from the glass dish on your kitchen counter, just the way Aunt Mary would.
Variations & Tips
For a slightly more grown-up version, stir 1–2 tablespoons of coconut rum into the condensed milk mixture before folding in the whipped topping (keep in mind this will keep it a bit softer in the freezer). If you prefer a stronger pineapple flavor and don’t mind a touch more texture, add an extra 1/2 cup of well-drained crushed pineapple. For a lighter sweetness, use unsweetened shredded coconut and taste the mixture before freezing; you can balance it with an extra tablespoon or two of condensed milk if needed. To add crunch, sprinkle 1/2 cup of chopped toasted pecans or macadamia nuts over the top before freezing, or fold them into the mixture. You can also make individual servings by dividing the fluff among small glass ramekins or a muffin tin lined with paper cups—freeze, then pop them out for easy, already-portioned desserts. If you don’t have whipped topping, you can use 2 cups of softly whipped heavy cream sweetened with 1–2 tablespoons powdered sugar; just know the texture will be a bit richer and slightly less stable over long freezer times. For a pretty finish right before serving, dust the top with a little extra coconut and a few maraschino cherry halves, keeping the overall spirit effortless and nostalgic.