Fizzy Candy

Are you in for a surprise treat to share with your friends and family? This homemade version of the classic pop rocks will get you fizzy with baking soda and citric acid! Personalize this candy with your own flavor and experience this chemical reaction in your mouth!

  1. Ages: 9 - 16

  2. 30 minutes - 1 hour

  3. A little messy

  4. Grownup needed

Step-by-step tutorial

  • Step 1

    Spread the powdered sugar over a metal baking sheet. Sprinkle 1 tbsp of citric acid over the powdered sugar.

    Photo reference of how to complete step 1

  • Step 2

    Measure out the other 2 tbsp of citric acid into a small bowl and set it aside.

    Photo reference of how to complete step 2

  • Step 3

    In a medium saucepan, add the granulated sugar, the water, and the corn syrup. Place the saucepan of the medium heat.

    Photo reference of how to complete step 3

  • Step 4

    Stir the mixture until it boils. Then stop stirring and wait until the mixture just starts to turn brown at 305 degrees F. This will take about 5 minutes.

    Photo reference of how to complete step 4

  • Tip

    Watch this step very carefully - once the sugar starts to brown, it will burn very quickly.

  • Step 5

    Remove the pan from the heat and let it cool for 3-5 minutes, or until the bubbles subside. While it's cooling, measure out the baking soda, food coloring, and flavoring oil into a small bowl.

    Photo reference of how to complete step 5

  • Step 6

    Add the baking soda mixture to the pan and mix until combined. Be careful, the sugar mixture in the saucepan is still very hot.

    Then immediately pour it out onto the powdered sugar you spread on the baking sheet. Sprinkle the remaining 2 tbsp of citric acid over the hot sugar. Let it cool to room temperature.

    Photo reference of how to complete step 6

  • Step 7

    Break up the cooked candy into small pieces with your hands or by crushing it with a rolling pin. Pop some in your mouth and feel the fiz! For maximum fizz, crunch the candy and then hold it in your mouth for a few seconds. Do the bubbles tickle your tongue?


  • Learn moreMagnifying graphic

    What's going on?

    This recipe keeps the citric acid and baking soda separate until you eat it. When these two ingredients combine with the saliva in your mouth, it creates carbon dioxide gas. It doesn't "pop" like the fizzy candy sold in stores, but you are still experiencing a chemical reaction in your mouth!

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