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    Home » Desserts

    Rainbow Jello

    Updated: Apr 19, 2021 · Published: Apr 19, 2021 · This post may contain affiliate links.

    Jump to Recipe - Print Recipe
    rainbow layered jello
    rainbow layered jello
    rainbow layered jello

    This rainbow jello is so fun, and each bite is bursting with fruity flavor. Make this rainbow layered jello when you need a tasty finger-dessert that both kids and adults will enjoy.

    close up squares of rainbow layered jello on plate

    Table of contents

    • How to Make Rainbow Jello 
    • Tips and Tricks
      • Allow Each Layer Of Jello To Set Up 
      • Make The Sweetened Condensed Milk Layer
      • Cut The Jello 
    • Variations
      • Holiday-Themed Dessert
      • Skip the Sweetened Condensed Milk Layer 
    • Rainbow Jello FAQs
      • Is making layered jello hard? 
      • Do you need to refrigerate jello? 
      • How long does this layered jello last? 

    If you are not sure how to make rainbow jello, let me help. This recipe is crazy simple, and you will love the clean layers of colors in this jello recipe.

    Are you a jello fan? You might also want to try this summery Lemon Lime Poke Cake or whip up some of this Orange Fluff Salad. Looking for a vegan option? Be extra classy by making this Blood Orange Vegan Jelly with Toasted Almond Sorbet.

    Why you will love this Rainbow Jello...

    • Layers of color 
    • Delicious fruit flavor 
    • Perfectly sweet 
    • Slices easily
    • Great finger-dessert 
    • Affordable to make 
    • Gluten-free 
    • Vegetarian 

    How to Make Rainbow Jello 

    how to make rainbow layered jello collage
    1. Start by taking 1 teaspoon of your unflavored gelatin and a packet of jello and mix with boiling water. Dissolve the gelatin first, then add jello. 
    2. Pour the jello into the pan, and refrigerate for 30 minutes. 
    3. Next, you will repeat again with the unflavored gelatin, but mix with the condensed milk. 
    4. Pour a cup of the milk mixture onto the first layer of jello, then refrigerate. 
    5. Repeat the process with each color of jello followed by a layer of the condensed milk. 
    6. Once all the layers are complete, refrigerate until the layered jello is completely set. 
    7. Slice and serve. 

    Tips and Tricks

    squares of rainbow layered jello on white plate

    Allow Each Layer Of Jello To Set Up 

    When following this recipe, make sure of one thing: don't skip the 30-minute set up between each layer. If you do skip the setting time (or just don't wait long enough), your colors will run together, and you won't get the defined layers. 

    Make The Sweetened Condensed Milk Layer

    You will need to make two batches of the gelatin and sweetened condensed milk mixture. Don't mix it up all at once because it will begin to set up as it sits. 

    Take the time to follow the recipe exactly to ensure you get smooth and clean lines. 

    Cut The Jello 

    Want those clean lines? Use a sharp knife or unflavored dental floss to cut lines into only the very top of the jello. Then remove the whole jello from the pan, and use those guidelines you cut earlier to help you cut clean lines now. 

    Variations

    side view rainbow layered jello on plate

    Holiday-Themed Dessert

    Consider changing up the colors of the jello layers to fit a holiday theme. Do pink and red for Valentine's Day or green and red for Christmas. 

    You can essentially make your jello dessert any colors you want. Just remember, the flavors will all be mixed together when you eat it. 

    Skip the Sweetened Condensed Milk Layer 

    If you do not want the sweetened condensed milk layer, leave it out. You will still want to set up the jello for each layer of color, just as you would if you were keeping the milk layers. 

    Note that if you skip the milk layers, the layers of color in the jello will not be as defined as they would be with the white breaking them up. But feel free to go without the sweetened condensed milk layers if you prefer. 

    Rainbow Jello FAQs

    squares of rainbow layered jello on white plate and orange table

    Is making layered jello hard? 

    Making layered jello is not hard, but it does take some time. You have to allow each layer to set up before pouring in the next one. But it's worth it!—in the end, you have a stunning jello to slice and serve up for parties, holidays, etc. 

    Do you need to refrigerate jello? 

    Yes, jello is best when refrigerated. It can stay set up for a bit at room temperature, but you will find it begins to break down the longer it is out of the fridge. Jello will also spoil faster if you do not refrigerate it. 

    How long does this layered jello last? 

    This jello will store for up to a week in an airtight container in the refrigerator. I like to eat it within the first 3-4 days. I find that the sooner you eat the jello, the better its texture and flavor will be. 

    Recipe

    rainbow layered jello

    Rainbow Jello Squares

    All She Cooks
    This rainbow jello is so fun, and each bite is bursting with fruity flavor. Make this rainbow layered jello when you need a tasty finger-dessert that both kids and adults will enjoy. 
    5 from 1 vote
    Print Recipe Pin Recipe Save Recipe Saved!
    Prep Time 2 hours hrs
    Cooling Time 1 hour hr
    Total Time 3 hours hrs
    Course Dessert
    Cuisine American
    Servings 1 9x13 dish
    Calories 38 kcal

    Ingredients
     
     

    • 6 boxes Jello red, orange, yellow, green, blue, purple
    • 6 packets unflavored gelatin
    • 2 cans sweetened condensed milk
    • 8 cups boiling water

    Instructions
     

    • Spray a 9x13 dish with nonstick cooking spray.
    • Dissolve half of a packet (1 tsp) of unflavored gelatin and a packet of Jello in boiling water. Dissolve the unflavored gelatin first, then add the Jello.
    • Pour the Jello mixture into the bottom of a 9x13 dish and refrigerate for 30 minutes to set.
      rainbow layered jello
    • Mix a packet (2 tsp) of unflavored gelatin to one cup of boiling water and dissolve. Add a can of condensed milk to the gelatin mixture and let it cool while Jello is setting in the refrigerator.
      rainbow layered jello
    • Pour one cup of condensed milk mixture and make sure it covers the Jello layer completely. Cool for 30 minutes in the refrigerator on a level surface.
    • Make a second batch of colored Jello and gelatin and let cool while the creamy layer is setting.
      rainbow layered jello
    • Pour the next Jello layer over the creamy layer, and cool for 30 minutes on a level surface in the refrigerator. Repeat until all layers of Jello and milk are set.
      rainbow layered jello

    Notes

    You will have to make a second batch of the condensed milk mixture halfway through. When the last layer of Jello is poured on top, allow the whole dessert to cool in the refrigerator for at least an hour.

    Nutrition

    Calories: 38kcalCarbohydrates: 6gProtein: 6gFat: 1gSaturated Fat: 1gCholesterol: 1mgSodium: 161mgPotassium: 9mgFiber: 1gSugar: 1gVitamin A: 5IUVitamin C: 1mgCalcium: 66mgIron: 1mg
    Keyword how to make rainbow jello, rainbow jello, rainbow layered jello
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    Nicole is a recipe developer, food photographer, and published cookbook author. At All She Cooks, she shares simple recipes to make every day a little bit more delicious. About Us →


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