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Jello Mousse is the fluffy, dreamy little dessert that looks like a swirl of blue sky in a glass, and my girls think it is the most magical thing I make. It comes together with just two main ingredients on a rainy afternoon when we need a fun project, the same easy win as our copycat Frosty.
Just jello and whipped topping whip into an airy, cloud-like mousse you layer into glasses for a fun, no-bake dessert kids and grown-ups both love.
Jello Mousse Quick Look
- 🕒 Prep Time: 15 minutes
- 🌡️ Cook Time: 0 minutes (no bake)
- ⏳ Total Time: 1 hour 15 minutes
- 🍽️ Serving: 8 servings
- ⚡ Calories: 53kcal
- 🌶️ Flavor Profile: Light, sweet, and fruity (airy whipped jello in dreamy clouds)
- ✋ Difficulty: Easy, on par with our copycat Wendy’s Frosty
Quick Answer
Dissolve a package of berry blue jello in 1/2 cup boiling water, then whisk in 2/3 cup ice water to cool it quickly. Whisk in 1 1/2 cups of whipped topping, pour into a bowl, and chill for about an hour until set. Break the set mixture up smooth with a whisk and fold in another 1/2 cup of whipped topping. Pipe the mousse into small glasses in layers with dollops of whipped topping, repeating until full and finishing with a swirl on top. Chill until ready to serve.
Jump to:
Why This Recipe Works
Click to see the technique science
- Ice water sets it fast. Whisking ice water into the hot jello cools it instantly, so it starts to set in about an hour instead of taking half a day in the fridge.
- Whipped topping makes it mousse, not jello. Folding whipped topping into the jello transforms it from a firm wobble into a light, airy, cloud-like mousse.
- Two folds for the dreamiest texture. Whisking topping in before chilling and folding more in after gives you that signature fluffy, marbled cloud look.
- Berry blue for the sky effect. The bright blue jello swirled with white whipped topping is what creates the cloudy-sky look that makes these so fun.
- Pipe it for clean layers. Piping the mousse into glasses keeps the layers neat and the clouds defined instead of a muddled mix.
- It stays light, never rubbery. The whipped topping keeps the texture soft and spoonable, so it never turns into the firm, bouncy jello you might expect.
Why You’ll Love This Recipe
- A fun project with the kids. Whisking, piping, and layering make this a dessert little hands love to help with, and the magical cloud look is the payoff.
- Just two main ingredients. Jello and whipped topping is all it takes. No baking, no fancy steps, the same easy spirit as our lemon pudding shots.
- Make it any color. Swap the jello flavor to match a holiday or party theme, from red and blue for the Fourth of July to pink for a baby shower.
Key Ingredients
This dreamy jello mousse needs just a few simple ingredients. Quantities are in the recipe card below; here is why each one matters.
- Berry blue jello. The flavor and the signature sky-blue color in one box. Any flavor works, but berry blue gives that cloudy-sky look that makes this dessert so fun.
- Whipped topping. The magic that turns firm jello into airy mousse. It is both folded in for that light texture and used to pipe the dreamy white clouds between layers.
- Boiling water. Just enough to fully dissolve the jello so there are no grainy crystals left in the finished mousse.
- Ice water. The shortcut that cools the jello fast so it sets in about an hour instead of all afternoon. Real ice cubes plus cold water do the trick.
See recipe card for exact quantities.
Variations and Substitutions
This jello mousse is endlessly customizable for any occasion.
- Change the color and flavor. Use any jello flavor to match a theme, strawberry pink, lime green, or grape purple. Layer two colors for a rainbow effect.
- Make it patriotic. Layer berry blue and strawberry jello mousse with white whipped topping clouds for a red, white, and blue Fourth of July dessert.
- Add real whipped cream. Swap the whipped topping for stabilized whipped cream for a more from-scratch flavor that still holds its shape.
- Serve it as a parfait. Layer the mousse with fresh berries, crushed cookies, or cake cubes in a tall glass for a fuller dessert.
- Make a big bowl. Skip the individual glasses and layer everything in one trifle dish for an easy crowd-sized version.
How to Make Jello Mousse
- Boil 1/2 cup water, whisk in the berry blue jello until fully dissolved, and take it off the heat.
- Stir 1/2 cup ice cubes into a 2/3 cup measure, fill with cold water, and whisk the ice water into the jello.
- Whisk 1 1/2 cups of the whipped topping into the jello, then pour into a bowl and chill for about an hour until set.
- Break up the set mixture with a whisk until smooth, then fold in another 1/2 cup of whipped topping.
- Spoon the mousse into a piping bag and pipe it about a third of the way up a small glass, then add small dollops of whipped topping around the inside edge.
- Repeat the layers twice more, ending with the jello mixture, and finish with a dollop of whipped topping on top. Serve and enjoy.
Recipe Tips & Tricks
- Dissolve the jello completely. Whisk a full one to two minutes so there are no undissolved crystals, which keeps the mousse smooth instead of grainy.
- Use real ice for the ice water. The cold shock is what helps the jello set quickly. Measure the ice plus cold water together to get the right amount.
- Chill until just set. Give the first mixture about an hour in the fridge so it is set enough to whisk smooth but not rock hard.
- Fold, do not stir. When you add the second round of whipped topping, fold gently to keep those airy clouds and the pretty marbled look.
- Pipe for the prettiest layers. A piping bag or a zip-top bag with the corner snipped makes neat layers and defined clouds in the glasses.
- Keep it cold until serving. The mousse is softest and prettiest straight from the fridge, so assemble ahead and chill until party time.
Serving Ideas and Suggestions
This jello mousse is a showstopper for kids parties, holidays, and summer cookouts. Serve the little glasses as a self-serve dessert next to a tray of our lemon pudding shots for the grown-ups, or set it out with lemon blueberry cheesecake bars for a fun, colorful dessert table. A few fresh berries on top make each glass even prettier.
It is perfect for themed parties, since you can match the jello color to any holiday. Make a red, white, and blue version for the Fourth of July, or whip up a batch alongside our no bake raspberry cheesecake bites for a no-bake dessert spread. The glasses keep in the fridge for up to three days, so you can make them ahead and pull them out when it is time to celebrate. Round out the table with a pitcher of mojitos.
Jello Mousse FAQs
Jello mousse is a light, airy dessert made by whipping prepared jello together with whipped topping until it turns fluffy and cloud-like. Unlike firm, wobbly jello, the mousse is soft, spoonable, and dreamy, and it is often layered into glasses with extra whipped topping for a pretty cloudy-sky look.
The first mixture needs about an hour in the fridge to set after you whisk in the ice water and whipped topping. Using ice water speeds this up considerably compared to plain cold water. Once assembled in glasses, the mousse can be served right away or chilled until party time.
Yes. Any flavor works, so pick whatever color and taste fits your occasion. Berry blue gives the classic cloudy-sky look, but strawberry, lime, grape, and orange are all delicious. You can even layer two flavors for a rainbow or holiday effect.
Yes. Stabilized whipped cream works in place of whipped topping and gives a more from-scratch flavor. Make sure it is stabilized with a little gelatin or cornstarch so it holds its shape in the mousse and does not deflate as the dessert chills.
Keep the assembled glasses covered in the fridge for up to 3 days. Because it is dairy-based, it should stay chilled until serving. The texture is best within the first day or two, while the clouds are still light and fluffy.
Absolutely. It is a great make-ahead dessert. Assemble the glasses up to a day or two before your event and keep them chilled. For the freshest look, add the final dollop of whipped topping on top just before serving.
Want another fun, no-bake treat? Our lemon pudding shots whip up just as easily for your next party.
For another kid-friendly treat, our fluffernutter dip is a sweet, 5-minute no-bake party dip.
Easy Jello Mousse Cloud Dessert
Ingredients
- ½ Cup boiling water
- 1 85 g package jello, berry blue flavor
- ⅔ Cup ice water
- 2 1/2 Cups whipped topping divided
Instructions
- Boil ½ Cup water, add jello, and whisk until dissolved (about 1-2 minutes); take off the heat.2 1/2 Cups whipped topping
- In a ⅔ Cup measure, add in ½ Cup of ice cubes and fill with cold water. Pour ice water into the jello mixture. Whisk to combine.2 1/2 Cups whipped topping
- Whisk 1½ Cups of the whipped topping into the jello. Pour into a bowl and place in the fridge for 1 and a half hours to set. It will have a mousse-like consistency.2 1/2 Cups whipped topping
- Break up the mixture with a whisk until smooth. Fold in 1/2 Cup more whipped topping.1 85 g package jello, berry blue flavor
- Place the mixture into a piping bag. Using a small glass, pipe jello mix 1/3 of the way up the glass.1 85 g package jello, berry blue flavor
- Add small dollops around the outside of the glass using the remaining whipped topping.1 85 g package jello, berry blue flavor
- Repeat twice, ending with the jello mixture. Add a dollop of whipped topping on top. Serve and enjoy!1 85 g package jello, berry blue flavor
Notes
- Whisk Well: Ensure your jello mixture is well combined for the smoothest texture.
- Gentle Folding: When mixing in the whipped topping, fold gently to keep it light and airy.
- Customize Your Flavors: Feel free to experiment with different jello flavors.
- Use Fresh Ingredients: Fresh whipped cream or whipped topping can make a big difference in taste.
- Chill Properly: Let the mousse set in the fridge for the perfect consistency.
- Serve Immediately: For the best texture, serve shortly after taking it out of the fridge.
Nutrition
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The recipe as written makes 8 servings
Would you please let me know the serving size? I’m making this for a big crowd of 100 and want to convert the recipe accordingly. Thank you so much! Can’t wait to make it. 😊
Yes just cover with plastic wrap and keep in the fridge for up to 5 days