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

What is the solution in rock candy? ›

Sweets like Rock Candy are made through a process called crystallization. Sugar crystals form when you create a supersaturated solution of sugar and water — that just means there's more sugar than can be dissolved in the boiling water — and let it cool.

Why didn't my rock candy get hard? ›

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

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.

What is the ratio for rock candy solution? ›

🍭🍬 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.

How do you make rock candy softer? ›

To speed that process along, leave the candy in a loosely covered container with a damp paper towel. If the candy is not wrapped, place a double sheet of plastic wrap between the damp towel and the candy. Change the damp towel every two to three days. It will still probably take a month or so for the candy to soften.

How do you make hard candy dissolve faster? ›

Hard candy is made of sugar, corn syrup, and other substances that dissolve easily in water. Just like the saliva in your mouth, the water in the glass allowed them to dissolve. Adding heat made this process easier and faster.

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.

What is the science behind 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.

How does temperature affect rock candy? ›

Contrary to studies performed at an industrial level, we found that solutions heated to 90°C experienced significantly greater rock candy mass growth than solutions heated to 60°C, 70°C and 80°C. Additionally, solutions heated to 60°C, 70°C and 80°C experienced nonsignificant differences in mass growth.

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.

Why didn't my rock candy grow? ›

The 'trick' is to allow the solution to cool slowly because if a sugar solution cools very quickly it tends to become supersaturated. This means solutions that cool quickly will become highly concentrated rather than grow crystals.

Can you make rock candy in one day? ›

While you should start to see changes within the first few hours, it may take three to seven days for the rock candy to form.

How long does it take rock candy to get to 300 degrees? ›

Heat sugar, corn syrup, and water in a large, heavy saucepan over medium-high heat, stirring constantly, until sugar dissolves and mixture is boiling, about 5 minutes. Stop stirring and boil until a candy thermometer reads 300 to 310 degrees F (149 to 154 degrees C), about 25 minutes.

Is rock candy a saturated solution? ›

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.

What is the solvent in the rock candy lab? ›

This type of simple mixture (sugar-water) is considered a hom*ogeneous solution by chemists and further termed aqueous, because the solvent is water. Rock candy is a type of sweet, formed by the crystallization (meaning to form crystals) of large sugar crystals coming out of solution.

What is the chemistry behind 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 rock sugar solution? ›

Rock sugar, is a type of confection composed of relatively large sugar crystals. This candy is formed by allowing a supersaturated solution of sugar and water to crystallize onto a surface suitable for crystal nucleation, such as a string, stick, or plain granulated sugar.

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