If you are vegan/vegetarian and would like a more firm jello, use 2 teaspoons of Agar powder. You can also use 2 ounces of carrageenan instead. [2] X Research source

Take caution when using pineapple juice. Some people find that the enzymes in it prevent the jello from setting properly. Give the jello a taste. If it is not sweet enough for you, add some sweetener, such as agave, sugar, or stevia.

If you want to cut the jello into cubes or fun shapes, pour the jello into a 9 by 12 inch (22. 86 by 30. 48 centimeters) or 8 by 8 inch (20. 32 by 20. 32 centimeters) baking pan. If you’d like to add fruit to a fancy mold, fill the mold with ½ inch (1. 27 centimeters) of the jello mixture first, then add the fruit. Fill the mold the rest of the way with the rest of the jello mixture; don’t stir. This will help create a nicer design.

If you chilled the jello in a baking pan, cut it into cubes or use a cookie cutter to make some fun shapes. If you chilled the jello in a bowl, consider using a melon scoop to make little jello-balls. If you chilled the jello in a fancy mold, dip the mold in warm water all the way up to the rim. Wait 10 seconds, then flip the jello out onto a dish. If it doesn’t slide out easily, repeat. [7] X Research source

If you are using a larger, 6-ounce (170 grams) packet of jello, use 2 cups (475 milliliters) of hot water instead. This recipe uses the sweetened, flavored jello packets. If you are working with regular gelatin, click here to learn how to make jello from scratch.

If you are using a larger, 6-ounce (170 grams) packet of jello, use 2 cups (475 milliliters) of cold water.

If you are using a baking pan, choose one that is 9 by 12 inches (22. 86 by 30. 48 centimeters) or 8 by 8 inches (20. 32 by 20. 32 centimeters). This is great if you plan to cut the jello into fun shapes using cookie cutters. If you are using a fancy jello mold and would like to add some fruit, fill the mold with ½ inch (1. 27 centimeters) of jello first, then add your desired fruit. Fill the mold the rest of the way with more jello; don’t stir the fruit. This will give you a pretty design at the top of the mold. [9] X Research source

If you poured the jello into individual bowls, you don’t have to de-mold it. If you poured the jello into a baking pan, you can cut it into cubes, or use cookie cutters to make fun shapes. If you are having trouble getting the shapes out, dip the bottom of the pan into warm water for 10 seconds. If you poured the jello into a large bowl, you can scoop it out using a melon scoop to make little jello balls. Serve the jello balls in a separate bowl.