HARD ROCK CANDY (2024)

Every year around this time, I start making Hard Rock Candy!

My favorite is Cinnamon, my husband loves Banana. There are literally dozens of different flavors you can make this in. Watermelon, Strawberry, Lemon,Pina Colada, Bubble Gum,Rootbeer, Licorice, Apple, Peppermint and many more.

If you’re having a hard time finding the little bottles of flavored oilat your grocery store, look near the Pharmacy Counter. These bottles are so small that they’re easily picked up and put in pockets without being paid for (that’s what I was told was the reason they keep them at the pharmacy)

The recipe calls for 1 bottle but I normally put 2 bottles in each batch because I think it just kicks the flavor up a notch.

Today I made a batch of Banana

HARD ROCK CANDY (1)

A candy thermometer is a MUST for this recipe.

Make sure you don’t have any distractions when you start making this because you can’t leave it until it’s done.

Startby pouring your Sugar, Light Corn Syrup and Water into a large heavy saucepan.

HARD ROCK CANDY (2)

This is what it looks like at a full boil. You’ll think it’s NEVER going to reach 300 degrees but it does and it MUST so be patient. Just put your candy thermometer in the pan and watch for it to rise to 300 degrees. It takes about 10minutes from the time it starts to really boil.

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After it’s reached 300 degrees, remove it from the heat and add whatever flavor you want, stirring constantly then add food coloring. I used yellow…DUH, it’s banana.

Here’s a tip….open your bottles of flavored oil and your food coloring BEFORE starting so you can pour both in immediately after it’s reached 300 degrees. You do NOT want this to set up on you before you’ve added everything to it.

Once you’ve added your flavoredoil and coloring, pour it into a well-buttered cookie sheet. Be careful….That cookie sheet will be HOT after you pour the mixture in.

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Now here comes the tricky part. You don’t have to do it this way but since I’m a little more “anal” than most people, I score mine. The trick is knowing exactly when to start scoring. Too soon and it’s still too runny, too late and it’s already set up. I take the flat end of a spatula and score mine. Your arm is TIRED when you’re done but I think it’s worth it. You’ll have to score it over and over a few times because it tends to want to close back up on you.

Now, if you don’t want to score it, that’s fine too. Just let it harden up completely and take a knife and start pounding away on it until you break it up into bite-size pieces.

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I sprinkle powdered sugar on it so it doesn’t stick together once it’s broken apart.

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Now you can either leave it on the counter until it’s completely hard or you can do like I do and put it in your freezer for a few minutes.

Now the fun part…breaking it up. See how pretty!?!

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I bought these little jars at The Dollar Tree. This batch makes enough to fill 2 jars completely full. Makes a really cute Christmas gift for a Teacher, Postman, Co-Worker, etc….OR you can keep it all to yourself and enjoy!!

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This is Watermelon

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HARD ROCK CANDY RECIPE

  • 3-3/4 cups sugar
  • 1-1/2 cups light corn syrup
  • 1 cup water
  • 1 or 2 bottles of flavored oil
  • 10 drops of food coloring

In a large heavy saucepan, combine sugar, corn syrup and water. Cook, stirring occasionally, over medium-high heat until a candy thermometer reads 300 degrees (hard-crack stage). Remove from the heat; add flavoring and food coloring. Pour into a well-buttered 15-in. x 10-in. x 1-in. cookie sheet.

If you plan on scoring it, wait for about 10-12 minutes. If not, let it completely set up, sprinkle some powdered sugar on it and break into bite-size pieces. I use the handle of a butter knife.

Store in a cool, dry place.

Each batch makes about 3 Lbs.

HARD ROCK CANDY (2024)

FAQs

Why didn't my rock candy get hard? ›

The simple answer is that there is too much moisture in your candy.

How long does it take candy to reach 300 degrees? ›

Just put your candy thermometer in the pan and watch for it to rise to 300 degrees. It takes about 10 minutes from the time it starts to really boil. After it's reached 300 degrees, remove it from the heat and add whatever flavor you want, stirring constantly then add food coloring.

How do you speed up rock candy experiment? ›

Putting a few grains of sugar on a stick or string promotes the formation of bigger crystals. This speeds up the candy-making. I had calculated that to make enough rock candy for that experiment, I would need to fill 52 plastic cups with a sugar solution.

Why does my hard candy get soft? ›

When the weather is hot or humid, it may take longer for the candy to cool, or it can absorb excess moisture from the air, which might cause the sugar to crystallize or the texture to soften instead of becoming hard and crisp.

How do you know when hard candy is done? ›

If the candy forms a firm but not hard ball, it is in the firm ball stage. The temperature of this stage is between 242—248°F. Caramels are cooked to the firm ball stage. If the candy forms thick threads when it drips from the spoon, it is in the hard ball stage or 250°—265°F.

Does food coloring affect rock candy? ›

If an impurity, food coloring, is added to the crystal solution, then the sugar crystals' growth will be affected.

How does temperature affect rock candy? ›

A supersaturated solution is unstable—it contains more solute (in this case, sugar) than can stay in solution—so as the temperature decreases, the sugar comes out of the solution, forming crystals. The lower the temperature, the more molecules join the sugar crystals, and that is how rock candy is created.

What is the solution of rock candy? ›

In the rock candy, the liquid is water and the compound is sugar. A solution is saturated when the liquid holds as much of the compound dissolved in it as possible. For example, when making rock candy, you dissolve as much sugar as possible in water to make a saturated solution.

Why is my hard candy sticky? ›

Most of the time, the candy gets sticky due to humidity, so it's preventable by using airtight containers next time. Any hard candy can be remelted with a little water and made into new candy. I was making candy and my mixture is way too sticky.

How hot is boiling candy? ›

Candy Cooking Temperature Chart
Thread Stage sugar syrup, fruit liquer, some icings230-235℉(106-112℃)
Firm Ball Caramel, candies245-250℉(118-120℃)
Hard Ball nougat, marshmallow, toffee, gummies, rock candy250-265℉(121-130℃)
Soft Crack taffy, butterscotch, toffee apples270-290℉(132-143℃)
4 more rows
Aug 31, 2015

Why do pop rocks pop? ›

How does it work? Pop Rocks® are sugar candies with tiny pressurized bubbles inside them filled with carbon dioxide gas. When you place Pop Rocks® in water, the sugar coating dissolves in water, and the gas and pressure are released. This also makes a popping noise, and leaves behind the sugar molecules.

How do you make rock candy for 1 hour? ›

🍭🍬 DIY ROCK CANDY! 🍭🍬 Ingredients: 4 cups water, 10 cups sugar (It's an approx 1:3 water sugar ratio), food coloring Equipment: 5 skewers, 5 mason jars, 5 clothes pins Instructions: - Wet your 5 skewers and coat them in sugar. Leave them to dry completely for at least an hour.

What makes rock candy grow faster? ›

Once a tiny crystal forms, it serves as a nucleation point. Other sugar molecules then glom on to it and make the crystal bigger. Seed crystals in the rock candy mix serve as this nucleation point, making the rock candy form faster.

Why is my rock candy soft? ›

At home the humidity is around 30 to 55 percent. This is enough to wet hard sugar candies. The sugar absorbs the water in air and dissolves to form sugar syrup on the outsides of the candy. That is why it gets soft and gooey.

Why is my candied fruit not hardening? ›

If your candied coating isn't hardening, the candying mixture did not reach a high enough temperature. Allow your candying mixture to cook until it bubbles, thickens, and turns a rich golden color, sort of like caramel. Then, quickly turn off the heat so it doesn't burn.

Why isn't my rock candy crystallizing? ›

Why didn't my rock candy grow crystals? If crystals don't grow it is almost always due to lack of sugar.

Why didn't my candy grapes get hard? ›

Make sure the grapes are completely dry when dipped to ensure the sugar hardens properly. If the sugar coating is chewy instead of crunchy it means that the syrup didn't get hot enough or there is too much moisture.

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