Peanut brittle, with its perfect blend of salty and sweet. is a classic treat that has graced holiday tables and candy boxes for generations. This recipe captures the essence of this beloved confection, offering a delightful crunch that is both satisfying and addictive. Peanut brittle is a simple, yet elegant candy that is sure to be a hit at any gathering.

It’s more than just a candy, it is a throwback blend of textures and flavors. The sweetness of the caramelized sugar and Karo syrup is perfectly balanced by the saltiness of the nuts, creating a treat that tantalizes the tastes buts. It’s a testament to the enduring appeal of combining simple ingredients to create something extraordinary.

Freshly made peanut brittle and english toffee

What is in peanut brittle?

Granulated sugar

The backbone of the brittle, provides a caramelized sweetness and structure.

Karo syrup

Adds a smooth, consistent texture and prevents crystallization.


Helps in dissolving the sugar and syrup for an even cooking.

Fine sea salt

Enhances flavor and balances sweetness.

Unsalted butter

Adds a hint of richness.

Baking soda

A key ingredient that introduces airiness and lightness to the brittle.

Vanilla extract

Infuses a subtle depth of flavor.


The star ingredient, offering a delightful crunch and saltiness

Mixing the candy mixture for peanut brittle

What’s the secret to perfect peanut brittle?

The key is to cook the sugar mixture to the hard crack stage (300 degrees). This ensures the right texture – hard yet snappy. Additionally, the quick step of adding and mixing in baking soda and vanilla at the end is crucial for that airy, light texture.

Can you use different types of nuts in brittle?

Absolutely! While peanuts are traditional, you can experiment with other nuts like almonds, cashews, or pecans for different flavor profiles.

How do you store peanut brittle and how long does it last?

Store it in an airtight container at room temperature. It can last for several weeks, but its best quality remains within the first week of making.

Are there variations to traditional peanut brittle?

Yes, there are many creative twists. You can add a pinch of cinnamon or nutmeg for a spiced version, or drizzle the finished brittle with melted chocolate for an extra layer of indulgence.

Freshly made peanut brittle being poured onto a cookie sheet lined with parchment paper

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Peanut Brittle

Author: Madison Reid
Prep Time: 10 minutes
Cook Time: 28 minutes
Set Time: 1 hour
Servings: 24 servings
A blend of salty and sweet with a nice crunch. This Peanut Brittle will be the perfect addition to your holiday candy boxes.


  • 1 1/2 cup granulated sugar
  • 1 cup karo syrup
  • 1/2 cup water
  • 1 pinch fine sea salt
  • 1 tbsp unsalted butter
  • 1 tsp baking soda
  • 1 tsp vanilla extract
  • 1 cup peanuts


  • In a medium sauce pan combine sugar, syrup, water, salt & butter. Place over medium high heat. Add candy thermometer.
  • Continue boiling & stirring mixture until it reaches Hard Crack temperature (300 degrees)
  • Stir in baking soda & vanilla. Be careful while stirring, it will expand.
  • Fold in nuts
  • Pour into a cookie sheet lined with parchment paper
  • Once cooled, crack into pieces and enjoy (cooling takes 1-2 hours)


Calories: 128kcal Carbohydrates: 24g Protein: 2g Fat: 4g Saturated Fat: 1g Polyunsaturated Fat: 1g Monounsaturated Fat: 1g Trans Fat: 0.02g Cholesterol: 1mg Sodium: 58mg Potassium: 46mg Fiber: 1g Sugar: 23g Vitamin A: 15IU Calcium: 9mg Iron: 0.2mg

Have you tried this recipe?

I’d love to see it! Follow @_mrs.madi_ on Instagram and tag your photos with #mrsmadi.