Rainbow Jello

Blossom Lady
Mar 22, 2025 10:01 AM
Rainbow Jello

Five-ingredient, fun, and festive rainbow jello is such a crowd-pleaser! Layer up colored jello to make a gorgeously hued rainbow dessert, or use any colors you like for any occasion from holidays like St. Patrick’s Day to birthday parties.

From backyard barbecues to birthday celebrations, rainbow jello is a fantastic option to add to the dessert table alongside other pretty desserts. I love the pop of bright color the contrasting layers of jello brings, and these cute little squares instantly elevate any gathering into something special. Plus, who doesn’t love sweet, jiggly jello? Here are some highlights:

So easy! The hardest part about making rainbow jello is waiting for each layer to set completely! Otherwise, it’s a breeze to make. 

Beautiful. All those bright colors means that this dessert is going to stand out!
Not your ordinary jello. Because there’s a bit more gelatin than in regular jello recipes, the layers of rainbow jello are firm and hold together without disintegrating (one of the things I don’t like about plain jello).

Use the method with any colors. This recipe is super adaptable, so mix up the colors and think beyond the rainbow to Saint Patrick’s Day and beyond.

Ingredients:
  • 6 (3-ounce) packages flavored Jello (for rainbow colors, I used cherry, orange, lemon, lime, berry blue, and grape)
  • 1 ½ (14-ounce) cans sweetened condensed milk
  • 6 packets unflavored gelatin (I use Knox brand)
  • 9 cups water
Prep Time:
30 minutes
Total Time:
350 minutes
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