Broken glass Jello is a fun, easy dessert that can be made in a variety of flavors. It’s perfect for parties or potlucks because it can be made in a 9 X 13 or individual-sized.
Broken glass jello is fun dessert and will remind you of being a kid. Maybe it’s the bright colors, or the way it seems like you’re eating a cake instead of Jello.
When you cut into this dessert it looks like broken glass. That’s why some of the old-fashioned recipes call it stained glass cake, it looks like chunks of glass floating in a white ocean of flavor. Kids love it.
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Knox Powdered Gelatin
If you’re looking for a Knox gelatin substitute, there are a few options to choose from. One option is gelatin sheets. You’ll need 6 sheets for this recipe.
Another is agar-agar. It’s a vegan gelatin option made from seaweed. Follow the manufacturer’s directions for substituting 1/2 ounce of powdered gelatin.
I use the Jello brand, but any flavored gelatin will work, even sugar-free.
Sweetened Condensed Milk
You need to use sweetened condensed milk to give the bold Jello colors background and you want it to be sweet.
There are vegan substitutions for sweetened condensed milk. I can’t recommend one over another as I have never used any of them.
- Make your flavored Jello first, only using one cup of water per 3-ounce package. You want a firmer texture like finger Jello.
- Put into the refrigerator and allow the Jello to set completely.
- Cut the set Jello into cubes and add them to your serving dish.
- Bloom the gelatin powder in a medium-sized bowl using 1/2 cup of cold water.
- Add 1 1/2 cups boiling water to the bloomed gelatin.
- Add the sweetened condensed milk to the bowl.
- Allow the milk mixture to cool, for at least 30 minutes. You don’t want it to set or be so hot it melts the flavored cubes.
- When the milk mixture is cooled but still pourable, pour it over the cubed Jello.
- If you need to stir, stir gently to avoid breaking up or melting the cubes.
- Put the “cake” back in the refrigerator and allow it to set completely before cutting.
- You can use one bowl for the flavored Jello when making only one color.
- Make sure you have cooled the milk mixture enough that it won’t melt the flavored cubes.
- Gently stir after adding the thickened milk, you don’t want to break up the cubes or melt them.
- You can reheat the milk mixture in a microwave in 30-second increments if it had cooled and thickened too much.
You can easily make this recipe for any holiday, just change the colors. I use red and green Jello for Christmas time and blue and red for a super easy Fourth of July dessert or all red for Valentine’s Day.
More Easy No-Bake Dessert Recipes
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Broken Glass Jello
- 12 ounces Jello mix 4 – 3 ounce packages
- 0.5 ounces unflavored gelatin packets 2 packets of Knox
- 12 ounces sweetened condensed milk 1 can
- Dissolve each box of Jello in separate bowls using only one cup of boiling water.
- Place the jello into the refrigerator and allow it to cool until set.
- Once the flavored jello is set, make the white gelatin.
- Bring 1 ½ cups of water to a boil.
- Add 1/2 cup of COLD water to a small bowl and sprinkle the gelatin powder over the water, mixing as you add the gelatin. Let it sit for 1 minute or until it has thickened.
- When the gelatin has thickened, add the 1 ½ cups of boiling water and stir to combine well.
- Add the sweetened condensed milk and stir.
- Allow the milk mixture to cool for about 30 minutes.
- While the milk mixture is cooling, remove the flavored Jell-O from the refrigerator and cut it into cubes.
- Place the cubes into your serving container, I like to use my 9 X 13 glass baking dish. Spread the Jello blocks out evenly.
- Pour the cooled milk mixture over the Jello cubes. Stir gently if needed.
- Place the dish into the refrigerator and chill until it has set. This could take up to 4 hours.
- To serve, remove the dish from the refrigerator and slice it into pieces.
- If using only one flavor, both packages of flavored jello can be made in the same bowl, just make sure you only use one cup of water per package.
- If you cool your condensed milk/gelatin mixture and it is too thick to pour, reheat it in a microwave on full power for 30 seconds and stir. You can do this a couple of times if necessary. Allow it to cool for a few minutes before using it so you don’t melt the Jello cubes.
- Do not stir too much after adding the warm milk mixture to prevent melting the flavored cubes.
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