The Jello Secret - How To Make It Firm Enough to Cut

June 14, 2012August 16, 2022Comfy In The Kitchen, Dessert, Recipes

41 Comments

I LOVE this recipe from Janelle at Comfy in the Kitchen – because I am famous for making Jello that must be eaten with a fork – not the fingers!

Janelle writes: Have you ever made the Jell-o Jiggler recipe on the back of your Jell-o box only to be disappointed because it just wasn’t solid enough to cut? Well, here is secret you all have been waiting for…..drum roll please! (lol)
Knox Gelatin.

Making finger Jell-O for the masses….lol.

3 small boxes of Jell-O

4 envelopes of Knox gelatin (the secret!)

4 cups boiling water

Whisk all together in a 13×9 pan (no cleanup) and refrigerate until firm. Before cutting, dip the bottom of your pan in warm water.

~Enjoy- Janelle 🙂

That’s it! How simple is that! I love it!

Thank you once again Janelle for making us just a little more Comfy inour Kitchens!

Walk with the King,

*Janelle is a woman who is dependent upon Jesus, a mom, a Licensed Professional Counselor, and an advocate for meal ministry. You can find her displaying step-by-step photos of her recipes, giving devotionals, and sharing meal ministry stories on her blog. You can follow Janelle’s blog atComfyInTheKitchen.com.

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Fun! Wouldn’t have thought of that!!!! :o) Can’t wait to whip up a batch for my kiddos, it’ll be fun cutting out shapes now!
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1. would nt it just be double the jello ( gelatine) or is this a brand specific “info recipe”
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  1. It might be- that’s okay tho- I just searched up the brand figured that there is approximately 6.25 grams in each packet( I rushed the search so that info might be incorrect I might be wrong) which is if my caculations are correct a little more than 1.5 tps
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Thanks so much! My kids are going to LOVE this 🙂
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Thanks for sharing this; my JELLO Easter Eggs have not turned out…ever! I can’t wait to make successful JELLO now; my husband will be shocked! 🙂
Thanks for the ‘secret’!
Mackenzie 🙂
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I make it in the microwave. 3c cold water. 4 plain gelatin. 3 flavored jello (we usually use sugar free). Add the water to the gelatin in the microwave safe dish you are going to use (i have this awesome ~ the boys call it the jello pan, it’s about 8×5). Stir til mostly dissolved. Microwave for 2 minutes. Stir. Microwave for 2 minutes. Do this until is completely dissolved. Usually only need the 4 minutes. Add 1 T lemon juice. Refrigerate. This clearly wouldn’t work for cutting the shape kind but just to have it, it is wonderful.
My grandmother always had finger jello in the fridge. Sometimes I do better than others at having it constantly there.
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I’m gonna be the weird one and share my secret…I taught my kids to suck their jello through a straw. I know…but I did it as a kid and it makes the most awesome noises as you suck it up the straw. They love it, and it makes me laugh!!
They might not know how to react to jello that they could literally pick up with their hands!! LOL!!
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Thanks for the tip! I had given up on the cute shapes. My kids are going to love this. Another fun way to incorporate art with something tasty!
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Thank you for sharing! I’ve always managed to cut my jello in cubes, but shapes were just impossible. Not anymore 🙂
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Way to funny….I just made a Jello dessert Tues night and the Jello was not solid enough. Will be trying this!! As always “Thank you” for your tips.
Have a very blessed weekend.
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When I was growing up, there weren’t “Jello Jigglers” there were only “Knox Blox”. My mom made “Knox Blox” all the time when I was young. I remember the first time I saw an advertisem*nt for Jello Jigglers and thought to myself that they were stealing Knox’s brilliant idea! Ha!
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Does this work for sugar free Jello too?
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On behalf of my children (now teenagers)…thank you…I love to create things in my kitchen but for years have felt like a jello flunkie …you know it’s bad when you fail in the jello department…thank you for the chance to redeem myself! I’m off to find the Knox at my grocery store!
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YESSS! I have learned that secret! I used to be so disappointed when I would make jiggles, cut them out in cute shapes for the kids and they just fell apart. Now I know, but my kids are older and I don’t make them so much anymore. Thanks for sharing!
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Thank you for the secret!!! :):) I unfortunately only bought 2 small boxes:( could you please tell me how to make it with just 2 boxes.. Do I still use 4 envelopes and 4 cups water?? So sorry!! Thanks!!!
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1. Using 4 cups of water for 3 boxes is equal to 1 1/3 cups of water per box. Therefore, you would use 2 2/3 cups of water for 2 boxes.
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  1. How many envelopes of Knox to one box of Jello?
    How much water? Boiling water and cold water or just boiling water?
    Sorry, I want to make different flavours. I don’t want to use 3 boxes of the same flavour jello with 4 envelopes of Knox.
    I am confused lol
    I just want it to work.
    Thanks in advance for your reply!
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    1. From what I have figured out from researching on line. This recipe uses 4 Knox to 3 jello and 4 cups of water . Another site used 3 Knox to 2 jello with 3 cups of water . So with that information I can only assume that 1 box of jello and 2 boxes of Knox with 2 cups of water, would be the correct ratio. I’ll be trying this myself this weekend. Good luck.
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We always called them Knox Blocks. I learned how to make them when I was in grade school. My children now make them for their kids. I love this recipe. There are tons of ideas for this recipe if you google it.
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If you spray your dish with pan, the jigglers just slide out. No need to dip in hot water.
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*pam*
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1. I buy my unflavored gelatin in bulk. Do u know how much I would add???
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  1. 1 Tbsp. is equal to packet of Knox.
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    1. This is good to know. 1 Tbsp. is equal to one packet of Knox.
      Thanks!
      How much gelatin should I use per box?
      I want to make 3 different solid colours/flavours. Each jello box has 85g.
      Hope you can answer. I want to cut them into letters and numbers.
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I was just wondering if the “Knox Blox” need to be refrigerated once set. If anyone knows, please share info. Thanks!
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Thank you! I will try this! 🙂
Anyway, is it better if we put the pan in the freezer so that it cools down quicker? I don’t know if this will affect the end product or not, that’s all..
Thank you again!! 🙂
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Ok I bought the big box of Jello!! Does anyone know the amount to add to the big box of Jello?
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1. the big box of jello is equal to three normal sized boxes of jello
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I used to make jiggles all the time for my children when they were small in the eighties. They were always firm and I didn’t use Knox gelatin. I think they have taken some of the sickening element out of the jello. I was thinking to try a little less water. That should firm it up more. I have the old football molds they had in the store when the children were growing up. And made them for the Super Bowl today. And they were too soft. So I googled your site and have some more to try for the game today took them to church supper today they were a hit. Will try one batch with less water and one batch with gelatin. But when the children were smaller they were always firm and the way they were supposed to be. That’s why I think they have taken some of the gelatin out of the yellow box. Good luck everyone and happy Superbowl. Red 🙂
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1st time trying it..hopefully it works for me..lol..
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I missing one box of jello and one box of knox gelatine. how do I adjust recipe?
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First timerat this…the jello i bought is 6oz..is that considered a small box?
Cant wait to try it on my spider moulds!!
May
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I only have two boxes of jello how many Knox gelatin would I use
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Mine turned out with bubbles all in it. What did I do wrong? Thanks!
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Thanks for this site and the recipe, I was setting out to make a couple of batches and my old knox blox recipe was nowhere to be found. I paniced and then thought look on line…Thanks for sharing.. Couldn’t remember how many unflavored gelatin to use but thought it was four… Have made them since the fifties.
I make these for the holidays every year. My grown children and grandchildren look forward to this and if I forget to put them out they are fast to remind me. They can be made several days ahead and stored in containers in the frig, that takes up less room than a pan. I make them for the 4th of July also and we take them to the fireworks with us. We have used them when we traveled on vacation and they store well in an ice chest.
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I wanted to make one box (3oz) of blue and one box (3oz) of strawberry. How do I adjust the
recipe?
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Pour thin layers in pan, then cut into small (tiny) cubes. You can use this as an alternative to the high calorie boba pearls
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Honestly, no Knox Gelatin is really necessary.
If you want easy jigglers? Take 4 3oz boxes of Jello. Doesn’t matter if it’s sugar-free or not. Pour 2.5 cups of boiling water onto the gelatin. DO NOT pour cold water into the mix. Stir very carefully and make sure everything is fully dissolved. Gently shake to avoid any bubbles.
Refrigerate for at least a few hours. Easy to cut and very firm.
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1. I suppose you just replace the gelatine with more Jello gelatine. Doesn’t it make it 3 Times more sugary aswell tho?
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