Rainbow JELL-O Cubes are perfect for St. Patrick’s Day or any day you want to bring a smile to someone’s face! The perfect treat!

Sweetened condensed milk. It’s kind of magical isn’t it? So sweet and ooey gooey and it just makes everything taste sooo good! I totally stocked up for the holidays. I guess I thought I would be making about 47 pounds of fudge or something. I like to be prepared.
I remember my Dad telling me how my Aunt would eat the sweetened condensed milk by the spoonful out of the can. Smart lady. There are so many delicious recipes to make with sweetened condensed milk {most notably Magic Bars} but this particular recipe just happens to work for St. Patrick’s Day! It’s so fun to make and easy too! The boys love picking out their favorite flavors of JELL-O and then I put it all together. I say JELL-O “flavors” but really they go by color. You know…”the red JELL-O” or “the green JELL-O”. Whatever works :)

Not only is this dessert beautiful and super-impressive {it looks like it’s really hard to make} but it’s easy on the wallet as well. You only need some JELL-O, a can of sweetened condensed milk, and some unflavored gelatin. Easy peasy! You can choose whatever colors you like which makes this a very versatile dessert. Layer in the colors of your next party and you’re going to have a yummy treat that’s sure to be a hit!

There’s just something about rainbows that bring a smile to my face every time. My boys are also thrilled when I “make rainbows” in the kitchen – they are also HUGE JELL-O fans so this treat is a win-win for everyone. You can really cut down the calories and sugar in this dessert by using sugar-free JELL-O and low-fat or fat-free sweetened condensed milk. Oh and did I mention this recipe makes TONS of cubes?? Like literally, tons. Depending on how precise I am with my cutting, I usually end up with between 60-80 cubes so there’s plenty for a crowd OR class!
Ingredients
- 4 packages (3 ounces each) assorted flavored gelatin
- 6 envelopes unflavored gelatin, divided
- 5-3/4 cups boiling water, divided
- 1 can (14 ounces) sweetened condensed milk
- 1/4 cup cold water
Instructions
- In a small bowl, combine one package flavored gelatin and one envelope unflavored gelatin. Stir in 1 cup boiling water until dissolved. Let mixture cool slightly for 3-5 minutes.
- Pour mixture into a 13-in. x 9-in. dish coated with cooking spray.
- Refrigerate until set but not firm, about 20 minutes.
- In small bowl, combine the condensed milk and 1 cup boiling water.
- In another bowl, sprinkle two envelopes unflavored gelatin over cold water; let stand for 1 minute. Stir in 3/4 cup boiling water. Add to sweetened condensed milk mixture.
- Spoon 1 cup of the creamy gelatin mixture over the first flavored gelatin layer. Refrigerate until set but not firm, about 25 minutes.
- Repeat from beginning of recipe twice alternating flavored gelatin with creamy gelatin layers.
- Make sure to let the dissolved gelatin sit for a few minutes before spooning over previous layer. This will keep the layers "pure".
- Chill each layer until set but not firm before spooning next layer on top.
- Make final flavored gelatin and spoon over top.
- Refrigerate for 2 hours after finishing last layer before cutting into 1-in. squares.
- Serve and enjoy!
Notes
Recipe from Taste of Home.

We are having so much fun decorating and preparing for St. Patrick’s Day this year! I’d love to know if your family celebrates St. Patrick’s Day and what you do in your home! Here are some other fun St. Patrick’s Day ideas:





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These are SO pretty Trish! I love, love, love the colors!
Thank you Dorothy! They’re super fun!
These looks amazing! Almost too good to eat! I actually have a huge bucket of Jello in the cupboard so this will be perfect!
I just let the boys pick from our Jell-O bin and then put them in order. We’ve done pink, yellow, green, and purple too and that looks really cool!
These look awesome, do you recommend a substitute for sweetened condensed milk? we don’t have it here in Turkey :(
Oh no! I can’t think of anything else that would work but here is a recipe so you can make your own :) http://www.kitchenstewardship.com/recipes/healthy-homemade-sweetened-condensed-milk-without-powdered-dry-milk/ Good luck!
Thanks Trish! I’ll give it a try :)
Awesome! I’d love to know how it goes :)
These make me smile just looking at them. I will have to try your recipe. Thanks!
This looks so tasty and festive. I love the bright colors, I would probably eat the whole thing myself. If you get a chance come link up at my Tuesday Pin Party.
http://sarahdawndesigns.blogspot.com/2013/02/pintastic-tuesday-link-party-28.html#.US1fKjBcgZl
Cute! Love this, pinning!
Thanks Bethany! It’s a really fun recipe :)
these look so fun & neat,cant wait to make them!! next week for sure ill have my son hes 19yrs old! he will love helping me make them,so ill wait for him. thanks bunches!
Oh that will be so fun Dena! Thank you so much for your sweet comment!
Oh I have not made these in a long time! Yours came out so cute and it makes me want some Jello! Hope you are doing well Trish!
This is such a great recipe isn’t it Raquel? We are all doing great – so happy to NOT be sick anymore :) How are things going with you?
Trish – these are GORGEOUS !!!
I so much love colors in food, especially desserts. As you said – it brings a smile just seeing it.
Thank you Winnie – you are so sweet!
Those cubes are gorgeous!!! Such a fun and easy dessert with a wow factor!!!
The boys just love them! They are pretty fun :)
Wow, I love these and I bet my son would too! How cute are they? I would love for you to share this at my link party going on right now.
http://www.bloominghomestead.com/2013/02/crafty-tuesday-22513.html
-Marie
So fun and gorgeous too!
So pretty and such fun — love the rainbow idea for St Patricks Day! I’m hosting a St Patty Tea and I’m thinking this would be a fun addition to the dessert table.
Jello kinda makes me gag but these are SO pretty!
Totally loving this idea! They look so fun and make me smile just looking at them :)
love this one, Trish. Pinning now!
Adorable! Would love it if you shared this & any other recipes at my Sweet & Savory Saturdays Link Party: http://dessertnowdinnerlater.blogspot.com/2013/03/sweet-savory-saturdays-2.html. Hope to see you there!
Thanks for linking up last week!
~Amber @ Dessert Now, Dinner Later!
So great! Love these.
Thank you Rachel! It’s such a fun recipe!
Visiting from Monday FunDay’s link up and having had done a Rainbow birthday party for my daughter last summer and having gone through making rainbow striped cookies, I just wanted to tell you how much I REALLY appreciate your effort in making these. They look great and bring back fond memories of layering colours! Great job!
LOL! This actually wasn’t too bad but I definitely know what you mean :) A whole rainbow party?? That must have been spectacular!
Popping over from the Monday Funday party to say hello! Just love how these jello cubes look! So eye-catching colorful and just beautiful! These would be so fun to serve at a summer party. Thanks for sharing and am pinning! Have a great week!
Thank you so much Cindy! Hope you have a great week too!
Those look so bright and cheery! I was wondering what the white layers were. The condensed milk that I am used to is more of an ivory color. I hope the cubes look as pretty when I make them!
They white layer is very white – yours will turn out beautifully!
Stopping over from Savvy Southern Style. I had to come by and tell you how much I love these. They’re so cute! They totally do look complicated, but it sounds easy. Thanks for sharing!
They are super easy – just have to take your time :) Thanks for stopping by!
These are so fun! They would be great for a birthday party! I would love for you to share them this week on Thrifty Thursdays link party @ http://fromnature-tonurture.blogspot.com Hope to see you there! Bonnie
Love this..so fun! Would love for you to share at our link party! http://kitchenfunwithmy3sons.blogspot.com/2013/02/kitchen-fun-and-crafty-friday-link_28.html
Thanks Jill! I’ll be there!
Featuring you today (& your stained glass rainbow). :) Thanks for linking up to {wow me} wednesday! :)
Wow! Thanks Ginger!
Yummy….
Mmmhhhh – thanks Linda!
So fun! I bet these are a bit hit with the kiddos! :)
Thanks for linking up to this week’s Catch a Glimpse Party. I’ll be featuring this tomorrow. :)
Thank you so much Allison!
SO cute! I might make some for my daughter’s birthday party!
Found you on Serenity Now x
I made these yesterday for my daughter’s rainbow birthday party. They’re time consuming, but not difficult and they looks so happy sitting on a platter!
They are time consuming but so worth it right? I’m so glad you made them and I bet the rainbow party was so fun! Thanks for stopping by Jenn!
These are adorable. What a great way to celebrate St. Patty’s Day. Thanks for sharing on Thursdays Treasures.
When I originally commented I clicked the -Notify me when new comments are added- checkbox and now every time a comment is added I get four emails using the exact same comment. Is there any way you’re able to remove me from that service? Thanks!
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