Blueberry fluff is the dessert you stir together in five minutes and let everyone assume took real effort. It starts with a tub of Cool Whip and a can of blueberry pie filling, folds together in one bowl, and never sees the inside of an oven. It’s cool and creamy, with a ribbon of jammy blueberry running through every spoonful.
This one comes straight from my grandma’s recipe box. She made it for every family cookout, church potluck, and summer get-together I can remember, always in the same scratched-up glass bowl.
The whole appeal is that there’s no catch. Some desserts are a project, but blueberry fluff is a stir-and-chill, and that’s exactly why grandma kept making it, and I do too. It travels well, feeds a crowd, and makes it look like you tried harder than you did.
Worried it’ll be too sweet or taste like it came from a box? A spoonful of something tart, like a little lemon zest or a handful of fresh blueberries on top, keeps it from going one-note. I’ll show you how below.
Here’s everything you need: the short ingredient list, a few ways to switch it up, and tips for making it ahead. When it’s too hot to cook, and you still need a dessert, blueberry fluff saves the day.
Looking for more dessert salads? Try Oreo fluff, orange fluff, or banana split fluff.
Ingredient Notes
For exact amounts needed see the recipe card below
- Blueberry pie filling
- Sweetened condensed milk: Don’t confuse it with evaporated milk (I’ve done that before, and trust me, it’s not the same).
- Crushed pineapple
- Mini marshmallows
- Whipped topping: Like Cool Whip.
- Almonds: These are completely optional, but 1 cup of roughly chopped almonds adds a nice crunch that contrasts with all that creamy sweetness.
How to Make Blueberry Fluff
- If you’re using almonds, roughly chop 1 cup. You want chunky pieces, not finely chopped. Drain the crushed pineapple really well.
- In a large bowl, stir together the blueberry pie filling, sweetened condensed milk, and drained pineapple. The mixture will look pretty at this stage with all those blueberries swirled through.
- Gently fold in the mini marshmallows, whipped topping, and nuts, if using. Don’t stir too vigorously or you’ll deflate it.
- Cover the bowl with plastic wrap and refrigerate for at least 1 hour. This lets everything meld together and thickens up the mixture so it’s not soupy.
- When you’re ready to serve, garnish with a dollop of whipped cream, lemon zest, and blueberries or mini marshmallows.
Serving Ideas
This recipe is a crowd-pleaser that works for practically any occasion. Serve it straight from the bowl as a simple dessert at family dinners. The fluffy, fruity texture makes it feel special without requiring any cooking skills.
If you want to dress it up a bit, scoop it into individual cups or small bowls and top each serving with a dollop of whipped cream and some blueberries.
This dessert also works wonderfully at potlucks and picnics. Since it travels well in a covered container and doesn’t require any last-minute assembly, you can make it the night before and grab it on your way out the door.
How to Store
Cover your bowl with plastic wrap and refrigerate for 2 to 3 days. You can even make this the night before you need it. Just let it chill for at least 1 hour before serving so it has time to thicken properly.
If you happen to have leftovers, you can eat them straight from the container for a few days. Just give it a gentle stir before serving to redistribute any liquid that may have settled at the bottom.
Tips & Tricks
Be sure to check out the step by step instructions
- You really need to get as much liquid out of that crushed pineapple as possible. Otherwise, you will end up with more like blueberry soup than fluff. Press it into a fine-mesh strainer or squeeze it gently in a clean kitchen towel.
- Topping the dessert with lemon zest or fresh blueberries adds a bit of tartness that cuts through the sweetness of the fluff.
- While the recipe calls for almonds, I’ve used whatever nuts I have on hand. Pecans are fantastic and add a buttery flavor. Walnuts work great too.
- If you’re not a fan of the smooth texture from crushed pineapple, swap it for pineapple chunks. You’ll get little bursts of pineapple throughout instead of it being evenly distributed.
- This needs to stay refrigerated until you’re ready to serve. Serve it straight from the fridge, and if you’re taking it to a potluck, pack it in a cooler with ice packs.
Reader Questions
You could, but you’d lose the sweet, thick sauce that the pie filling provides. Fresh blueberries would be little berries floating around without that binding element. If you want to use fresh blueberries, I’d still use the pie filling and add some fresh ones on top as garnish.
I know some people prefer to use real whipped cream instead of Cool Whip or other whipped toppings. You can absolutely do that. Just whip about 2 cups of heavy cream with 2-3 tablespoons of powdered sugar until stiff peaks form. Real whipped cream can sometimes weep a bit more than the stabilized whipped topping, so it’s best to eat it within a day or two.
Absolutely! Cherry pie filling is delicious and gives you a completely different dessert. Strawberry works great too. I’ve even seen people use apple pie filling around the holidays. Just keep in mind that the flavor profile will change based on what you use.
Of course! The nuts add a nice crunch and some texture contrast, but they’re totally optional.
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Blueberry Fluff
Ingredients
- 1 can blueberry pie filling 21 ounces
- 1 can sweetened condensed milk 14 ounces
- 1 can crushed pineapple 20 ounces, drained well
- 2 cups mini marshmallows
- 1 container whipped topping 8 ounces, thawed
- 1 cup almonds chopped roughly, optional
Instructions
- Roughly chop the almonds. Drain the pineapple juice from the crushed pineapple.
- In a large bowl, stir together blueberry pie filling, sweetened condensed milk, and pineapple.1 can blueberry pie filling, 1 can sweetened condensed milk, 1 can crushed pineapple
- Fold in the marshmallows, whipped topping, and almonds.2 cups mini marshmallows, 1 container whipped topping, 1 cup almonds
- Cover with plastic wrap and refrigerate for at least 1 hour before serving. Overnight is fine. The dish will keep, refrigerated, for 2-3 days.
Notes
- Make sure you drain the crushed pineapple thoroughly before stirring it in.
- You can change things up and leave out the mini marshmallows or nuts.
- If you want a chunkier texture, use a can of pineapple chunks instead of crushed pineapple.
- If you don’t like pineapple, then a can of mandarin oranges will work as a substitute.
- Make sure you chill it for at least an hour before serving, so it thickens.
- Garnish with whipped cream, lemon zest, and fresh blueberries for a beautiful presentation.
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Nutrition Information
Nutrition facts are estimates.
