Sweet and Sour Treats for Superheroes 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 superpowers, 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 superheroes.
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
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- 1 3/4 cups white sugar
- 3/4 cup corn syrup
- 1/2 cup water
- 1 1/2 teaspoons flavor extract
- 1 1/2 teaspoons sour flavor enhancer
- 1/4 teaspoon green food coloring
- Combine the sugar, corn syrup and water in a saucepan. Stir the mixture over medium heat until the sugar is dissolved.
- 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.
- Allow the mixture to continue boiling gently until the candy has reached a temperature of 300 F, otherwise known as the hard crack stage.
- Immediately remove from the heat and quickly stir in your favorite flavor extract, the green food coloring and the sour flavor booster.
- Pour the hot syrup into the prepared molds and allow it 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.
Prepare the Candy Molds
I made crystal-shaped molds using tin foil. I folded 3" x 4" strips of tin foil 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 300 F. The triangle silicone loaf cake mold pictured on the right is perfect for forming candy crystals.
Using a Candy Thermometer, Boil the Syrup Until It Reaches a 300 F 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 300 F.
Note: 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 310 F, which you do not want to happen.
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 sourer, the better!
Pour the syrup into the prepared molds and allow to set for 30 minutes before touching.
Trim any sharp edges from the crystals to avoid a cut tongue (because even superheroes can get owies)!
Make Them Extra Sour by Dusting Them With Powdered Sugar and Citric Acid
Mix 2 tablespoons 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 canning supplies such as jars, pectin, etc. 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 blacklight!
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.
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© 2013 Corrinna Johnson