Peanut Brittle | The Best Peanut Brittle Recipe

An overhead view of small and large pieces of peanut brittle scattered on a sheet of parchment paper. There are peanuts around the sheet of parchment paper and everything is on a white counter.

5 from 1 review

This peanut brittle is rich, buttery, and crunchy all at the same time. And each golden piece has a sweet and salty combination and is addictively delicious. plus, this peanut brittle recipe is super fun and easy to make too!



1 1/2 Cups (240g) roasted salted peanuts 

1 1/2 Teaspoons (6g) vanilla extract

1 Teaspoon baking soda

1 Teaspoon salt

3/4 Cup (177mL) water

3/4 Cup (250g) corn syrup (light or dark)

1 1/2 Cups (300g) granulated sugar 

2 Tablespoons (28g) unsalted butter (room temperature)


  1. Gather all your ingredients, and measure them out. 
  2. Combine the vanilla extract and baking soda in a small cup - or dish - and set it aside for later.
  3. Then, take out a deep medium-sized saucepan, and add the water, corn syrup, sugar, and salt in there.
  4. Cook this mixture over medium heat, frequently stirring to make sure the sugar dissolves and the ingredients combine. 
  5. Continue cooking the mixture until it reaches 285-290°F (140-143°C) on a candy thermometer.
  6. Once the sugar mixture reaches the above temperature, add in the peanuts and continue cooking. Make sure to stir continuously until the mixture reaches 300°F (148°C) on the thermometer.
  7. Once it reaches the desired temperature, remove the mixture from the heat and immediately stir in the baking soda and vanilla extract mixture, along with the butter.
  8. Stir these ingredients together to combine everything until the mixture turns a golden brown (about a minute or so).
  9. Now pour the finished peanut brittle mixture onto a baking sheet lined with a silicone baking mat and gently spread it into a thin layer with a silicone spatula.
  10. Let the peanut brittle harden uncovered until it is completely cooled - this will take about 20 minutes. 
  11. Once it has cooled and hardened, you can break the peanut brittle into any sized pieces you want to give it the iconic brittle look.


The scale up function does not change the gram measurements.


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