Rainbow
Dessert (Mosaic Jell-O with Creamy Layer)
By Kids
Cooking Activities
A
bright, colorful rainbow dessert made with cubed
gelatin and a creamy vanilla layer. This fun
"mosaic" Jell-O recipe is a favorite for kids’
parties, St. Patrick's Day, and rainbow-themed
activities. Kids love cutting, sorting, and gently
mixing the colors!
- Category:
Dessert
- No Bake
- Skill Level:
Beginner
Prep: 30 minutes | Chill:
5-6 hours | Yield: 12-16
squares
Ingredients
Rainbow Jell-O Cubes
- 4–5 small packages
flavored gelatin (different colors)
- 1¼ cups hot water
per gelatin package
Creamy Layer
- 2 packages unflavored
gelatin
- ½ cup cold water
- 1½ cups hot water
- 1 (14 oz) can
sweetened condensed milk
Instructions
Make the Colored Jell-O
- Prepare each
flavored gelatin using 1¼ cups hot
water only (do not add cold water).
Stir until fully dissolved.
- Pour each color
into a separate shallow container or pan.
Refrigerate until fully set (about 2-3 hours).
- Once set, cut
each color into small cubes.
- Gently mix the
cubes together and spread evenly in a 13×9-inch
pan.
Make the Creamy Layer
- In a bowl,
sprinkle unflavored gelatin over cold water. Let
sit for 3 minutes to bloom.
- Stir in hot
water and mix until gelatin is fully dissolved.
- Add sweetened
condensed milk and stir until smooth.
- Pour the creamy
mixture evenly over the rainbow gelatin cubes.
- Refrigerate 5-6
hours, or until fully set.
- Cut into
squares and serve chilled.
Kid-Friendly Tips
- Kids can help choose colors and cut gelatin
with a plastic knife
- Let kids gently mix the cubes to avoid
breaking them
- Teach patience- this recipe is all about
chilling and waiting!
Fun Variations
- Add gold chocolate coins on top for a St.
Patrick's Day "pot of gold"
- Use clear cups for individual rainbow desserts
- Make holiday colors only (red/green, pastel,
or patriotic)
Notes
Using hot water only for the
colored gelatin makes it firmer and easier to cut.
Store covered in the refrigerator for up to 3
days.