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Best Peanut Brittle Recipe

Published: Aug 18, 2026 by Ivy · This post may contain affiliate links · Leave a Comment

Jump to Recipe· 4.3 from 29 reviews

If you have a sweet tooth and a love for crunchy, nutty snacks, you are going to adore the Best Peanut Brittle Recipe. This classic treat beautifully balances buttery caramelized sugar with the irresistible crunch of roasted salted peanuts, creating a delightful texture and flavor combination that never goes out of style. Whether you're a seasoned candy maker or trying peanut brittle for the first time, this recipe makes it easy to achieve that perfect brittle crunch and rich flavor every time.

Ingredients You'll Need

The image shows several small white bowls and clear measuring cups arranged on a white marbled surface. One bowl holds light golden peanuts, another is filled with white granulated sugar. There is a small white scalloped bowl with white powder and a tiny wooden bowl with coarse salt. A clear glass measuring cup with water and a white bowl with pale yellow butter cubes are also present. Additionally, there is a small white bowl with dark brown liquid that looks like vanilla or soy sauce. Photo taken with an iphone --ar 4:5 --v 7

Creating the Best Peanut Brittle Recipe is surprisingly simple, thanks to a handful of straightforward ingredients. Each one plays a crucial role, from crafting the perfect caramel to adding that iconic nutty bite and subtle hints of vanilla and salt that elevate the flavors.

  • 2 cups granulated sugar: The foundation of your caramel, providing sweetness and structure to the brittle.
  • 1 cup light corn syrup: Keeps the sugar syrup smooth and prevents crystallization for a glossy finish.
  • ½ cup water: Helps dissolve the sugar evenly during cooking.
  • 2 cups roasted salted peanuts: The star ingredient supplying that satisfying crunch and savory contrast.
  • 2 tablespoons unsalted butter: Adds richness and a silky texture to the finished brittle.
  • 1 ½ teaspoons baking soda: Lightens the brittle by creating tiny air bubbles, making it easier to bite.
  • 2 teaspoons vanilla extract: Brings depth and warmth to the candy’s flavor profile.
  • ¼ teaspoon salt: Enhances all the other flavors and balances the sweetness.

How to Make Best Peanut Brittle Recipe

Step 1: Prepare Your Workspace

Start by lining a large baking sheet with parchment paper or a silicone baking mat. This is essential to prevent your peanut brittle from sticking, and it makes cleanup a breeze. Keep this sheet nearby as you’ll need to pour the hot candy mixture onto it right away.

Step 2: Combine Sugar, Corn Syrup, and Water

In a large deep stockpot, whisk together the granulated sugar, light corn syrup, and water until the sugar is mostly dissolved. Attaching a candy thermometer clipped to the pot is key here—make sure the bulb of the thermometer is submerged in the syrup but not touching the pot’s bottom, so you get an accurate temperature reading.

Step 3: Cook the Sugar Mixture to 250°F

Turn the heat to high and gently stir the mixture as it heats up. Once it reaches 250 degrees Fahrenheit, it’s time to add the roasted salted peanuts. This temperature ensures the sugar begins to thicken properly, and adding peanuts now lets them soak up some of the sweet, hot caramel flavor.

Step 4: Cook to 300°F While Stirring Frequently

After adding the peanuts, continue cooking and stirring frequently until the mixture hits 300 degrees Fahrenheit. At this point, the caramel will have a deep golden color and a rich, complex flavor. This stage demands a little patience but is crucial for crunchiness.

Step 5: Add Butter, Baking Soda, Vanilla, and Salt

Turn off the heat and quickly stir in the butter, baking soda, vanilla extract, and salt. The mixture will foam up and lighten in color, resulting in a brittle that's airy and crunchy. This step transforms the texture and adds the signature flavor you crave from the Best Peanut Brittle Recipe.

Step 6: Pour and Spread the Brittle

Working swiftly before the mixture hardens, pour it onto your prepared baking sheet. Use a silicone spatula to spread it evenly, aiming for a consistent thickness. Let it cool completely for at least an hour to set properly before breaking it into rustic, irresistible pieces.

How to Serve Best Peanut Brittle Recipe

Broken pieces of light brown peanut brittle with visible chunks of nuts are piled together showing a shiny, smooth texture on top. Some white flaky salt sprinkles are scattered over the brittle, adding contrast. The background is a white marbled surface, and a white bowl filled with coarse salt is partially visible in the upper right corner. Photo taken with an iphone --ar 4:5 --v 7

Garnishes

While the peanut brittle speaks for itself, you can add a sprinkle of flaky sea salt on top right after pouring to enhance the salty-sweet contrast. For festive occasions, a light dusting of edible gold shimmer adds a touch of sparkle that's too pretty to resist.

Side Dishes

Peanut brittle pairs wonderfully with a cup of strong coffee or black tea, perfectly balancing its sweetness. It also makes a fantastic crunchy topping on ice cream or yogurt, adding texture and nutty flavor that will surprise your taste buds in the best way.

Creative Ways to Present

Thinking beyond a candy bowl? Wrap individual brittle pieces in clear cellophane tied with ribbons to make charming homemade gifts. You can also crush the brittle and use it as a garnish on cupcakes or chocolate bark for an enticing treat mashup.

Make Ahead and Storage

Storing Leftovers

To keep your peanut brittle fresh and crunchy, store it in an airtight container at room temperature. Avoid humidity and heat, which can make the brittle sticky or chewy. Properly stored, it stays wonderful for up to two weeks—perfect for snacking over time.

Freezing

If you want to stash your peanut brittle away for longer, freezing works well. Wrap pieces tightly in plastic wrap, then place them in a freezer-safe bag or container to prevent moisture. When ready, simply thaw at room temperature before enjoying this timeless treat.

Reheating

Unlike some candies, peanut brittle does not require reheating. However, if it loses crunch from humidity, you can gently warm it in a low oven (around 200 degrees Fahrenheit) for a few minutes to revive some crispness. Just watch closely so it doesn’t melt.

FAQs

Can I use raw peanuts instead of roasted salted peanuts?

Using roasted salted peanuts is preferable because they add more flavor and the salt enhances the overall taste. Raw peanuts can be used but should be roasted and lightly salted beforehand for best results.

Why does my peanut brittle turn out sticky?

Sticky brittle is usually the result of insufficient cooking time or exposure to humidity after cooling. Make sure to cook the sugar syrup to the correct temperature and store the brittle in an airtight container away from moisture.

Is it possible to make peanut brittle without a candy thermometer?

While a candy thermometer is highly recommended for accuracy, you can use the soft crack method—dropping a small amount of syrup into cold water and checking if it hardens and cracks. This requires practice but can substitute for a thermometer.

Can I substitute the peanuts with other nuts?

Absolutely! Cashews, almonds, or pecans work wonderfully in this recipe. Keep in mind that roasting and salting the nuts beforehand will give the best flavor.

How do I prevent the sugar from crystallizing?

Stirring the sugar too much or not using corn syrup can promote crystallization. The corn syrup helps prevent this, and gentle stirring only when necessary keeps the mixture smooth.

Final Thoughts

There is something truly joyful about making and sharing the Best Peanut Brittle Recipe. It’s a nostalgic treat that’s as rewarding to create as it is to eat. Whether as a gift, a party snack, or a simple homemade indulgence, this peanut brittle is bound to become a beloved staple in your kitchen. I can’t wait for you to try it and enjoy that perfect crunch and flavor!

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Best Peanut Brittle Recipe

Best Peanut Brittle Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 4.3 from 29 reviews
  • Author: Ivy
  • Prep Time: 10 minutes
  • Cook Time: 30 minutes
  • Total Time: 40 minutes
  • Yield: 8 servings
  • Category: Candy
  • Method: Stovetop
  • Cuisine: American
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Description

This Best Peanut Brittle Recipe is a classic, crunchy candy made with roasted salted peanuts, caramelized sugar, and a hint of vanilla. The perfect balance of sweet and nutty flavors makes it an irresistible treat to enjoy at any time or give as a homemade gift.


Ingredients

Ingredients

  • 2 cups granulated sugar
  • 1 cup light corn syrup
  • ½ cup water
  • 2 cups roasted salted peanuts
  • 2 tablespoons unsalted butter
  • 1 ½ teaspoons baking soda
  • 2 teaspoons vanilla extract
  • ¼ teaspoon salt


Instructions

  1. Prepare Baking Sheet: Line a large baking sheet with parchment paper or a silicone mat and set it aside to cool the brittle once cooked.
  2. Mix Sugar Base: In a large deep stockpot, combine the sugar, light corn syrup, and water. Whisk thoroughly to dissolve the sugar completely.
  3. Heat Sugar Mixture: Attach a candy thermometer to the side of the pot making sure the bulb is suspended in the mixture without touching the pot’s bottom. Heat the mixture on high, stirring occasionally as the temperature approaches 250°F (hard ball stage).
  4. Add Peanuts and Continue Cooking: When the mixture reaches 250°F, stir in the roasted salted peanuts. Continue cooking while stirring frequently until the temperature reaches 300°F (hard crack stage).
  5. Finalize Mixture: Turn off the heat and quickly stir in the unsalted butter, baking soda, vanilla extract, and salt. Stir briskly; the mixture will foam and lighten in color.
  6. Pour and Spread: Immediately pour the foamy mixture onto the prepared baking sheet. Use a silicone spatula to quickly spread it out in an even layer.
  7. Cool and Break: Let the brittle cool completely for at least one hour until hardened. Once cooled, break into pieces and serve.

Notes

  • Make sure to use a candy thermometer to accurately measure sugar temperature for perfect brittle texture.
  • Spread the mixture quickly after cooking as it hardens fast.
  • Store peanut brittle in an airtight container to keep it crisp.
  • For a variation, substitute peanuts with other nuts like almonds or cashews.
  • Use unsalted peanuts and adjust salt accordingly if you prefer less salt.

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Hey, I’m Ivy!

I’m a 28-year-old mom to my little prince, Pitter, who loves cooking and exploring flavors from around the world. What started in my home kitchen is now a space where I share simple, global-inspired recipes made with love.

 

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