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I'm putting this in my recipe box (as I always have to look up the Knox to gelatin ratio when I make them). My only change is to make a small batch. 1 envelope of Knox is 3 tsp; so I use one small box of gelatin and 1 envelope plus 1 tsp of Knox.

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El Bee December 20, 2014

KNOX BLOCKS! I completely forgot about these! I grew up eating them also, and I used to love them! Thanks for posting the recipe. UPDATE- I finally made these and they tasted exactly as I remembered. It was fun to introduce them to my kids, who gobbled them up. I do keep them covered as they chill, and it takes away the hard outer "peel" that you get sometimes.

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Retro Kali May 29, 2013

My toddler thanks you. . .he loved jello, but doesn't love that it slides off the fork. PROBLEM SOLVED. Knox blocks are firm and he can pick them up and pop them in his mouth. I will literally be making this recipe weekly!!! Thanks UPDATE: I have made this many a time. I use sugar free jello (the off brand from Walmart) which works out great. I also cut them into different shapes with mini cookie cutters and send them in my son's lunch in a baggie and they hold up very well.

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JanuaryBride June 30, 2009

My mom use to make this for us when I was younger and it was great making this for my kids too. I used strawberry jello and followed the recipe exactly as written other then I used 2 cups of boiling water and 2 cups of cold water. This was a yummy dessert that we all enjoyed. Made for Spring PAC 2009.

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bmcnichol April 08, 2009

My children are in their 30's and I have made these for the holidays since they were little. It is a traditional recipe for all holidays. My daughter now takes them to her husbands family gatherings, another tradition was started. Jello in the past has put out molds for the holidays and I have used them. ex. eggs for Easter, tree for Christmas which made them really festive. Also using the cookie cutters is fun, and you get to enjoy the scraps while your making them. Great fun for the children to do!

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tbernatz December 19, 2008

I have made knox blocks for years...this exact same way. I am going to rate it because I forwarded this recipe to other in our day home group to make for the harvest party. All the kids loved them. Most didnt realize you needed to put the knox gelatin in to make the jello set hard. My brothers are 30 and 28 and I have to make these for them for my kids birthdays, its not a party without the blocks the youngest always says. Thanks for posting so everyone can enjoy the simple treat.

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KennKonn October 25, 2008
Knox Blocks