Making Jello straight from the box is simple enough, but maybe you tossed the box, can’t read the tiny print, or have a large box instead of a small one. It’s okay! Below, I’ll give the exact water amounts for small, large, and Zero Sugar Jello boxes, how to make it set faster, and how to fix Jello that won’t set.
The instructions on the back of a small, 3-ounce box of gelatin will tell you to empty all of the powder into 1 cup boiling water, and whisk for 2 minutes ’til completely dissolved. Then stir in 1 cup cold water, and refrigerate ’til firm (usually 4 hours). If you’re using a large box, a sugar-free box, or you just need it to set faster, the chart below has every exact water measurement and ratio you need.
Whether you’re making regular Jello, Zero Sugar Jello, speed-setting a dessert, or making Jello Jigglers, here’s a handy cheat sheet for perfect liquid-to-powder ratios. Print it out and put it on the fridge for quick future reference!
Jello is something I’ve enjoyed since I was a kid. If we caught the flu or some other bug that took away our appetites, mom made up a bowl and set it in the fridge for when we started to get a little hungry. There are so many different flavors to choose from, and there are so many fruity desserts you can make with a gelatin mix.
How Much Does a Box Make?
Knowing your yield helps you pick the right dish or mold before you start pouring:
- Small Box (3oz/0.3oz Zero Sugar) – Makes 2 cups of liquid gelatin, which equals 4 (½-cup) servings. Use a small box to fill a 2-cup mold.
- Large Box (6oz/0.6oz Zero Sugar) – Makes 4 cups of liquid gelatin, which equals 8 (1/2-cup) servings. Use a large box to fill a 4-cup mold.
- Jigglers (2 Large Boxes) – Makes 24 one-inch squares when poured into a 9×13 pan.
Ingredients Notes & Substitutions
Remember, these ratios work for both regular Jello and Zero Sugar Jello. If you’re using a large 6-ounce box, simply double the water amounts as shown!
- Jello Gelatin Mix – One 3-ounce small box (or 0.3oz Zero Sugar box) in whatever flavor you like! You can also use a large 6-ounce box (0.6oz Zero Sugar).
- Boiling Water – 1 cup for a small box (or 2 cups for a large box). I love my electric tea kettle for boiling water on the fly, but a small saucepan on the stovetop works great too!
- Cold Water – 1 cup for a small box (or 2 cups for a large box). Make sure it’s cold water and not just room temperature. If using tap water, drop in a few ice cubes to chill it before measuring.
How to Make Jello from the Box
Here’s a video showing the step-by-step process. If you’d rather read and follow along, you’ll find steps and photos below.
Here is your step-by-step guide for a small box…
- Pour the Jello powder into a heatproof bowl.
- Add 1 cup boiling water (2 cups for a large box). Stir together until the powder is completely dissolved and no granules are left on the spoon or in the bottom.
- Stir in 1 cup cold water (2 cups for a large box).
- Refrigerate for about 4 hours, or ’til firm.
Once your Jello has firmed up, it’s ready to eat. Scoop it into a dish and make it a dessert with a big dollop of whipped cream on top!
More Ways to Use Gelatin
There are so many different ways that you can use Jello. Here are a few yummy favorites…
How Long Does Jello Take to Set?
As I said earlier, it takes about 4 hours in the fridge for the regular method. Keep in mind that deep bowls will take longer than wide, shallow dishes. Metal pans will also chill faster than either glass or ceramic.
Just remember that texture matters more than the clock. My rule of thumb is that it should be firm to a light touch, and it shouldn’t stick to your finger. It should also spring back quickly after being gently pressed into.
How to Make Jello Set Faster
To speed things up, you can also set it in the freezer for about 20 minutes before transferring back to the fridge for the remainder of its resting time, but I don’t personally recommend it because your gelatin will be ruined if it even starts to freeze. A much safer method is the “speed-set method,” which cuts the set-up time from 4 hours to no more than 1 1/2 hours. For a small, 3-ounce box, you’ll need to:
- Dissolve into 3/4 cup boiling water.
- Next, add 1/2 cup cold water to a 2-cup glass measuring cup. Fill with ice cubes ’til the water level reaches 1 1/4 cups.
- Stir the cold water into the Jello/hot water mixture ’til slightly thickened.
- Remove any unmelted ice cubes, and then refrigerate the Jello mixture for 30 to 90 minutes, or until firm.
One other thing that’ll make your Jello set even faster is to place your mixing bowl into a larger ice water bath while stirring. Just be careful that the rim of your bowl doesn’t go beneath the water. Once it begins to thicken, stick it in the fridge to finish setting up.
Why Won’t My Jello Set?
There are several reasons that it might not be setting up properly…
- If the powder was not fully dissolved into the boiling water, the Jello will not set up properly.
- Too much water will also prevent Jello from setting up. If using the speed-set method, leaving unmelted ice cubes in the bowl adds extra water and thins out the gelatin ratio.
- It may just need more time. Jello needs at least 4 hours in the fridge to set up properly.
- Be sure not to add incompatible fruit to your Jello. Under the “To Add Fruit” section on the back of the box, it states, “do not use fresh or frozen pineapple, kiwi, ginger root, papaya, figs or guava.” These fruits contain protease enzymes, which break down the gelatin, preventing it from setting up like it should.
How to Add Fruit to Jello
You can also add fruit on top once it’s fully chilled. You can use canned fruit; just be sure to drain out the syrup so it doesn’t water it down.
Mom always made Jello with strawberries. To suspend fruit inside your Jello, you’ll want to stir in about 3/4 to 1 1/2 cups chopped fruit when the gelatin is only partially set (about 1 1/2 hours in the fridge). That way, the fruit won’t float or sink to the bottom; then let it chill another few hours, ’til fully set.
To make Jello with fruit on the bottom, simply arrange fruits in your dish, and pour the Jello liquid over top. Then chill as instructed in the recipe above.
How to Make Jello Molds & Layered Jello
Remember, the small box (3-ounce) will fit a 2-cup mold, and the large box (6-ounce) will fit a 4-cup mold. To keep the your gelatin from sticking, you’ll want to lightly coat the mold with nonstick cooking spray; then wipe it out with a paper towel so that only a thin film is left.
- For the small box, dissolve the Jello mix into 1 cup of boiling water, stirring about 2 minutes.
- Then stir in only 1/2 cup cold water.
- Pour into your mold, and set it in the fridge for about 4 hours, or ’til the Jello is firmed up.
- Once it’s set, dip your mold into warm (not hot) water for 10-15 seconds, taking care not to let water flow over the sides and into the mold.
- Now, loosen the edge with a wet finger, and gently invert your Jello onto a wet plate. The water will help you slide it into the center of the plate once it’s out of the mold.
You can also layer different flavors of Jello in your mold. To do so, let each layer set until firm but still tacky before adding the next layer. Also, you’ll want to make sure that the liquid for your next layer is cooled at least to room temperature so it doesn’t melt the layer beneath it.
Expert Tips and Recipe FAQ’s
Yes, you can use most fruit juices instead of water, but I recommend avoiding fresh pineapple juice, or any other juice that contains enzymes that break down the gelatin. Jello’s own box states, “do not use fresh or frozen pineapple, kiwi, ginger root, papaya, figs or guava.“
Yes! In fact, Jello needs at least 4 hours in the fridge to fully set, and it stays good for much longer than that.
You can cover it with plastic wrap, but just know that it may take it longer to set up if it’s covered, especially if it’s still warm.
Unfortunately, Jello does not say that it’s gluten-free anywhere on the box. You can buy other knock-off brands of gluten-free flavored gelatin, but the reviews are mixed.
Cover with plastic wrap or transfer into an airtight container and into the refrigerator. Stored this way, it’ll stay good for 7-10 days. Just don’t freeze it, because freezing it will ruin the texture.
If you try this recipe, why not leave a star rating in the recipe card right below and/or a review in the comment section further down the page? I always appreciate your feedback. You can also follow me on Pinterest, Facebook, YouTube, and Instagram. And subscribe to my email list too!
How to Make Jello
Equipment
- Electric Tea Kettle or Sauce Pan
Ingredients
- 1 – 3 ounce box Instant Jello mix
- 1 cup boiling water
- 1 cup cold water
Instructions
- Pour the powdered gelatin into a medium mixing bowl.
- Add boiling water to the gelatin mix, and stir for 2 minutes until it’s completely dissolved.
- Stir in the cold water.
- Refrigerate the gelatin mixture for at least 4 hours, or until the gelatin is firm and doesn't stick to your fingers. It should also spring back quickly after being gently pressed into.
- Once your Jello has firmed up, it's ready to eat. If you're making it for dessert, you can scoop some into a dish and top it off with whipped cream or Dream Whip.
Video
Notes
- Dissolve into 3/4 cup boiling water.
- Next, add 1/2 cup cold water to a 2-cup glass measuring cup. Fill with ice cubes ’til the water level reaches 1 1/4 cups.
- Stir the cold water into the Jello/hot water mixture ’til slightly thickened.
- Remove any unmelted ice cubes, and then refrigerate the Jello mixture for 30 to 90 minutes, or until firm.
- For the small box, dissolve the Jello mix into 1 cup of boiling water, stirring about 2 minutes.
- Then stir in only 1/2 cup cold water.
- Pour into your mold, and set it in the fridge for about 4 hours, or ’til set.
- Dip your mold into warm (not hot) water for 10-15 seconds, taking care not to let water flow over the sides.
- Now, loosen the edge with a wet finger, and gently invert your Jello onto a wet plate.
Nutrition
I didn’t know Jello was so easy yo make.
Please send me some more easy recipes
Thank you, I am 63 and never made jello but my wife asked me to make it and we are living in Mexico the translation came out as add cold boiling water so it was nice to have an English to help me understand.
Thank You! I’m so glad it helped.
my husband threw out the box! yikes. I was so happy to see you repeat it, as I wanted the fast-set method, but couldn’t remember the cold water/ice ratio. I was so happy to find this site.
robin
I’m so glad it helped, Robin! This is a perfect example of why this recipe can be so helpful in certain situations, despite it being made fun of all the time as a seemingly easy on-the-box recipe lol. Thanks for the feedback.
i only want to use 1/2 box of jello for my small cheesecake for only 2 people. To make the larger size , I used 1 box per 3/4 cup water in the recipe which was added to the cream cheese and whipped cream but now I want to make half the cheesecake recipe and don’t know how much water to add to only 1/2 the box ?
Nan, if I’m understanding this correctly, you are halving the box, which would require also halving the water. That’s right about 6 tablespoons of water. I hope this helps.
Pour half of the hot water in the mixing bowl then slowly add the gelatin stirring and adding remaining hot water. Mistake is pouring a pile of gelatin in bowl and then adding all the hot water. Dissolve all gelatin before adding cold water. If adding canned fruit, drain and save juice, measure and combine with cold water to the required at of water. After gelatin is dissolved add fruit. If moving gelatin to another container add fruit to second container. Scatter evenly. Or dump it with jello and dump in container. Just never use fresh or frozen pineapple or pineapple juice. Prevents jello from gelling or jelling!😊
Thanks for the tip, Susu!
Should you cover the jello bowl with plastic wrap when you put the bowl in the refrigerator?
Rich, I would recommend covering it with plastic wrap. Otherwise, it can sometimes form a skin on top from the cold refrigerator air.
Can I add a 1/4 teaspoon of almond flavore with the cold water( not adding more liquid) and still have it set up
I don’t see why not, Karen, but I’ve never tried it.
To the lady that had a problem with the jello setting harder at the bottom of the bowl. It’s because it was not completely blended. So what didn’t finish getting mixed together is laying in the bottom of the bowl and will set harder because there is still unresolved gelatin in the bottom.
I can not thank you enough. Your web site was just what I needed. I haven’t made jello in over 55 yrs. So there is no automatic memory recipe. The recipe Jello provides is on 1/2 of the side of the box that you open!!! Not the side that maybe I could have read with my readers or the inside of the box!!!! Again, thank you. Also, I’m glad you mentioned ‘quick-set’. That’s what I used to do, probably before you were born. I think it’s pretty with two or more layers of jello. Quick-set. Holly Jolly Holidays, Blessed Christmas Save Healthy and Safe and all the Best in 2021
Thank you so much, Marissa! I’m happy to help. Jello is quick and easy, which is my personal preference.
WHY DOES THE JELLO IN THE BOTTOM OF THE BOWL GET HARD?
Joan, I’ve never had this issue before. Is it maybe an old box of Jello? I’m not sure.
You’re not dissolving the gelatin all the way. You have to make sure to stir it until.all the sugar and gelatin crystals can’t be seen on a spoon, otherwise the heavier gelatin “goop” settles to the bottom and you get a hard layer.
Yes, ensuring that the gelatin is properly dissolved is key!