These layered red, white and blue cups are a retro dessert that never seems to go out of style. They're fun to serve, wonderfully creamy from the white condensed milk white layer, and surprisingly easy to make ahead, which is always a bonus when hosting. But they require patience to allow the gelatin layers to set. So plan accordingly.
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Festive jello cups
These cups are genuinely simple, but they do require patience and a little planning. But you can have them ready a few days before, which is amazing if you're hosting a Memorial Day or Fourth of July barbecue, another patriotic potluck or just a summer gathering.
There are three layers, and each one needs to be almost fully set before you add the next. Rush that, and you get muddy colors and a sad, streaky situation instead of clean, dramatic stripes. Give each layer its time in the fridge, and you end up with something that looks like it took way more effort than it did.
Use clear shot glasses, as they're visually appealing.
Like the Halloween red jello shots and the fun and unique candy corn shots, they require store-bought pantry staples and can be made ahead, so you have time to enjoy the celebrations without fussing over dessert.
The white middle layer uses unflavored gelatin for structure, while the condensed milk makes it sweet and creamy. Together they produce a layer that holds its shape but still has a soft, almost panna cotta-like texture.
It's the flavor contrast that makes the whole dessert memorable: fruity blue on the bottom, rich and sweet in the middle, bright and tart red on top. They're non-alcoholic, and kids absolutely love these!
Serve them with a dollop of whipped cream (or store-bought topping like Cool Whip) and consider adding red, white and blue sprinkles for that extra pop of color.
Key takeaways
These Jello cups are easiest to make when each layer is partially set but not fully firm before adding the next one. The condensed milk layer should be cool, not warm, and chilling the finished cups several hours gives the best texture. They're served in individual cups and can be made ahead. But the whipped topping needs to be added at the last moment.
Testing notes
Paula's tips that make a difference.
Organization: Read the recipe first and ensure you have the ingredients at the correct temperature, equipment, and enough workspace. This will make the process so much easier.
Difference when dissolving flavored and unflavored gelatin: Unflavored gelatin needs to absorb cold water before it's heated. This process, called blooming, helps it dissolve evenly and prevents lumps. Flavored gelatin mixes are formulated differently and are designed to be dissolved directly in boiling water before adding cold water.
Unflavored gelatin: As a general rule, the ratio for dissolving it (blooming) in water is 5:1; that is, five times the amount of water to gelatin, in volume. So if using 5 teaspoons of gelatin, you need 25 teaspoons of water (½ cup + 1 teaspoon). Sprinkle it to cover the surface; don't pour it all together in one spot, or it will not absorb the liquid easily. Some granules will hydrate instantly while others clump together, making it harder (sometimes impossible) to dissolve completely.
Layering tip: If you're unsure whether a layer is ready, gently touch the surface with a fingertip. It should feel set and leave no residue on your finger, but still have a slight wobble underneath. This helps the layers adhere to each other while staying distinct. If in doubt, let each layer fully solidify before pouring the next one. They might not adhere as much, but you'll make sure to get clean and defined colored stripes.
Add the topping as you serve them, so you don't have many leftovers. This way, you can cover and store the unused jello cups in the fridge for a week or so.
How to make jello cups
Gelatin mixture
Each gelatin packet must be mixed with water in a separate bowl. And at different times. Don't mix the red one from the start, or it will set before you use it. Use a hand whisk for easier mixing.
First jello layer
Use a small measuring cup or a spoonful to pour the same amount of gelatin mixture into each container. This will vary depending on the size.
Using a pitcher is the easiest way to avoid spilling, but it might be harder to add the same amount of mixture to each cup.
Refrigerate and let the jello set.
Condensed milk layer
Bloom the gelatin first in cold water and make sure it's completely hydrated with no lumps or dry patches.
Then add the condensed milk and stir until smooth.
Third layer
Prepare the red mixture once the white layer is almost set. If you do it beforehand, it'll set before you pour it.
Wait for the red jello to be barely warm before pouring, or it will dissolve some of the condensed milk layer and create muddy streaks.
Topping
Whipped cream or store-bought topping and sprinkles are a great way to decorate these cup desserts.
Do so at the last moment, when you serve them.
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Patriotic Jello Cups (non-alcoholic)
Ingredients
Blue layer (bottom):
- 4 ounces berry blue Jell-O, 1 box
- 1 cup boiling water
- 1 cup cold water
White Layer (Middle):
- 5 teaspoons unflavored gelatin, 2 packets (NOT boxes)
- ½ cup + 1 teaspoon cold water, for blooming the gelatin
- 1 cup boiling water
- 14 ounces sweetened condensed milk, 1 can
Red layer (top):
- 4 ounces red Jell-O, 1 box, cherry, raspberry or strawberry
- 1 cup boiling water
- 1 cup cold water
To decorate:
- Cool Whip topping, or whipped cream, to decorate
- sprinkles, red, white, and blue
Instructions
- Arrange dessert cups on a tray or baking sheet that will fit in your refrigerator. I use 2-ounce clear disposable glasses, about 20.
Blue layer:
- In a medium bowl, dissolve 4 ounces berry blue Jell-O in 1 cup boiling water, stirring until completely dissolved. It's important to dissolve it well. Add 1 cup cold water and stir to combine.
- Divide the mixture evenly among the dessert cups, filling each about one-third full.
- Refrigerate until mostly set but still slightly jiggly, about 45 minutes to 1 hour.
White layer:
- In a medium bowl, sprinkle 5 teaspoons unflavored gelatin over ½ cup + 1 teaspoon cold water. Let stand for 3 to 5 minutes until softened. See Notes below.
- Add 1 cup boiling water and stir until the gelatin is completely dissolved.
- Whisk in 14 ounces sweetened condensed milk (1 can) until smooth. Let the mixture cool for about 10 minutes. It should no longer feel warm but still be pourable.
- Carefully divide the white mixture among the cups, pouring it over the blue layer.
- Return the cups to the refrigerator and chill until mostly set, about 45 minutes to 1 hour.
Red layer:
- In another medium bowl, dissolve 4 ounces red Jell-O in 1 cup boiling water, stirring until completely dissolved.
- Add 1 cup cold water and stir well. Let the mixture cool for a few minutes before using.
- Carefully pour the red gelatin over the white layer, dividing it evenly among the cups.
- Refrigerate until fully set, at least 4 hours or overnight.
To serve:
- Before serving, top each cup with whipped cream or Cool Whip topping and decorate with sprinkles.
- Keep refrigerated until ready to serve.
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