How to Make Sour Kryptonite Candy Crystals

Updated on April 13, 2017
Superhero Snacks: Sour Kryptonite Candy Crystals
Superhero Snacks: Sour Kryptonite Candy Crystals | Source

Sweet And Sour Treats For Superheros And Villains

Invite some friends over for a Superman movie marathon or to catch up on a couple of seasons of Smallville and serve up some tasty sweet and sour Kryptonite candy crystals.

When Superman's home planet, Krypton, was destroyed, a deadly and radioactive substance known as Kryptonite was left behind. This material is deadly to Kryptonites, possessing super powers, weakening them, and eventually causing death over prolonged exposure.

No worries though! My sweet and delicious candy treat is safe for everyone to eat, even mighty superheros.

Kids LOVE sour candies, and these would make fun treats or party favors for a superhero birthday party. Place them in little glasses in the middle of the table or wrap them up in a piece of parchment paper tied with a green ribbon and add them to the loot bags.

Sour Kryptonite Candy Crystals Recipe

Sour Kryptonite Candy Crystals Recipe
Sour Kryptonite Candy Crystals Recipe
Prep time: 5 min
Cook time: 40 min
Ready in: 45 min
Yields: 16-20

Ingredients

  • 1 3/4 cup white sugar
  • 3/4 cup corn syrup
  • 1/2 cup water
  • 1 1/2 tsp flavor extract
  • 1 1/2 tsp sour flavor enhancer
  • 1/4 tsp green food coloring
Bakto Flavors Natural Collection, Fruit, 6 FL OZ Total
Bakto Flavors Natural Collection, Fruit, 6 FL OZ Total

Choose your flavor...sour apple, sour cherry, sour lime and sour orange are a few of my favorites.

 

Instructions

  1. Combine the sugar, corn syrup and water in a saucepan. Stir the mixture over medium heat until the sugar is dissolved.
  2. Turn the heat up to medium high and bring to a boil. Once the sugar syrup comes to a boil, do NOT stir it again or it will crystallize.
  3. Allow to continue gently boiling until the candy has reached a temperature of 300F, otherwise known as the hard crack stage.
  4. Immediately remove from the heat and quickly stir in your favorite flavor extract, the green food coloring and the sour flavor booster.
  5. Pour the hot syrup into the prepared molds and allow to harden for 30 minutes. Gently remove the shards from the molds, and using a knife, remove any sharp edges that can cut your tongue.
How To Make Tinfoil Candy Molds
How To Make Tinfoil Candy Molds

Prepare The Candy Molds

I made crystal shaped molds using tinfoil. I folded 3" x 4" strips of tinfoil in half and folded 1/8" over each end to form a triangular pocket and then I placed them in a pan of rice to keep them from tipping over.

You will need to make about 16 to 20 of these molds per batch of candy. You can also pour the hot candy directly onto a baking sheet lined with parchment paper which you can break into small pieces when it has hardened.

You can also use a silicone mold that can withstand temperatures greater than 300F. The triangle silicone loaf cake mold pictured on the right is perfect for forming candy crystals.

Boil Sugar, Corn Syrup And Water Until It Reaches 300F
Boil Sugar, Corn Syrup And Water Until It Reaches 300F
Polder Candy/Jelly/Deep Fry Thermometer, Stainless Steel, with Pot Clip Attachment and Quick Reference Temperature Guide
Polder Candy/Jelly/Deep Fry Thermometer, Stainless Steel, with Pot Clip Attachment and Quick Reference Temperature Guide

You need to be very careful when working with sugar syrup and this is an adults only project. The syrup gets very hot and sugar burns can be pretty severe.

 

Using A Candy Thermometer, Boil The Syrup Until It Reaches A 300F Temperature

Combine the sugar, corn syrup and water. Stir over medium heat until the sugar is dissolved. It takes about 10 minutes for the syrup to come to a boil and reach a temperature of 300F.

Do not stir the syrup once it has started to boil. The candy will crystallize and not set properly, resulting in a lumpy and grainy mess.

Alternatively, if you don't own a candy thermometer or you have made candy before, you can cook the syrup until it has reached the hard crack stage. You will know when the candy is ready when you drizzle a small amount of the hot syrup in a glass of cold water and the strands become hard and brittle, snapping in half. If the candy still has any pliability, it has not yet reached the hard crack stage. You also don't want to overcook the syrup, as it will begin to caramelize once it has reached a temperature of 310F, which you do not want to happen.

Add Green Food Coloring, Sour Enhancer And Flavoring
Add Green Food Coloring, Sour Enhancer And Flavoring

Add The Flavor Extract, Food Coloring And Sour Booster To The Hot Syrup

You will need to work quickly once the candy is ready. It will begin to harden almost immediately. Quickly stir in your favorite fruity flavor, the sour enhancer and green food coloring.

A tart and sour flavor booster is the secret ingredient for making your lips pucker up. Kids love the taste of sour candy...the more sour, the better!


Pour The Hot Syrup Into The Candy Molds
Pour The Hot Syrup Into The Candy Molds

Pour the syrup into the prepared molds and allow to set for 30 minutes before touching.

Trim Any Sharp Edges From The Candy Crystals
Trim Any Sharp Edges From The Candy Crystals

Trim any sharp edges from the crystals to avoid a cut tongue (because even superheros get owies)!

Pucker Up! Make Them Extra Sour By Dusting Them With Powdered Sugar And Citric Acid

Mix 2 tbsp each of icing sugar and citric acid. Using a pastry brush, dust the candy crystals with the powdered mixture for an extra sour and tart flavor.

If you don't have icing sugar, you can make your own by blending a small amount of white granulated sugar in a mini-blender. The Magic Bullet works great for making powdered sugar.

Citric acid can be found in your grocery store and is usually stocked with the canning supplies such as jars, pectin, ect. It is commonly used as a sour flavor enhancer or to prevent fresh fruit from browning and has a very tart flavor.

Make Glowing "Radioactive" Kryptonite Candy

Dissolve 1 or 2 capsules of Vitamin B2 into the measured water before cooking and the candy crystals will glow green under a UV black light!

No worries! These glowing candies are not truly radioactive and are completely safe to eat. The candy is actually not glowing, but rather, the riboflavin in the B2 vitamin fluorescents a yellowish color when exposed to light. Combined with green food coloring, the candies will give off a green glowy hue which is intensified under a UV light.

Did You Like This Recipe?

4.4 stars from 7 ratings of Sour Kryptonite Candy Crystals Recipe
Sour Kryptonite Candy Crystals Recipe
Sour Kryptonite Candy Crystals Recipe | Source

Questions & Answers

    © 2013 Corrinna Johnson

    Thanks for stopping by....Please let me know what you think of these fun treats for superheros and villains!

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      • chrins profile image

        chrins 

        4 years ago

        Wow! Thanks for sharing will make this too ;) Great Lens love it!

      • profile image

        reasonablerobby 

        4 years ago

        What a great idea

      • profile image

        Shawnika 

        5 years ago

        I love spicy and I love SOUR.....and just the thought of these are making my mouth water. I kid you not.

      • Corrinna-Johnson profile imageAUTHOR

        Corrinna Johnson 

        5 years ago from BC, Canada

        @Zodiacimmortal: Thank you:)

      • Zodiacimmortal profile image

        Kim 

        5 years ago from Yonkers, NY

        Just added this greaet treat (& movie candy idea) to my https://hubpages.com/entertainment/henryWilliamcav page.

      • dakadare profile image

        dakadare 

        5 years ago

        These are awesome, I'm going to make them for my kids!

      • Elyn MacInnis profile image

        Elyn MacInnis 

        5 years ago from Shanghai, China

        What a great idea! And they glow under black light too! Wow.

      • choosehappy profile image

        Vikki 

        5 years ago from US

        I may have to give this a shot--I don't know anything at all about Superman but I love all sour candies!

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