If you have a sweet tooth and a love for nostalgic treats, you are going to adore making Grandma's Peanut Brittle Recipe. This classic American candy brings together perfectly crunchy roasted peanuts with buttery, caramelized sugar for a satisfyingly sweet and salty snack. The magic lies in the bubbling sugar mixture and the little secret ingredient that gives it that signature melt-in-your-mouth texture. Whether shared with family or enjoyed as a special homemade gift, this brittle is sure to become a treasured tradition in your kitchen.
Ingredients You'll Need
Believe it or not, creating the perfect peanut brittle requires just a handful of simple, everyday ingredients. Each one plays a crucial role, from creating the rich caramel base to ensuring the final candy snaps just right.
- 3 cups granulated sugar: The foundation of the brittle’s sweet, crunchy candy texture.
- 1 cup light corn syrup: Keeps the sugar from crystallizing and adds smooth chewiness.
- 1 cup water: Helps dissolve the sugar evenly as it cooks.
- 1 stick unsalted butter (8 tablespoons), cubed: Adds richness and a lovely buttery flavor.
- 3 cups dry roasted peanuts (one pound): The star ingredient, offering nutty crunch and depth.
- 1 teaspoon kosher salt: Balances the sweetness with a hint of savory.
- 1 teaspoon pure vanilla extract: Brings warmth and rounds out the flavors beautifully.
- 1 teaspoon baking soda: Causes the brittle to foam and become light and crisp after cooking.
How to Make Grandma's Peanut Brittle Recipe
Step 1: Prep Your Workspace
Start by greasing an 18x13-inch baking sheet thoroughly with butter, then set it aside. Having this ready allows you to pour the hot brittle mixture right away, ensuring it cools evenly and hardens with the perfect snap.
Step 2: Combine the Dry Ingredients
In a small bowl, whisk together the baking soda, kosher salt, and vanilla extract. This mixture might seem small, but it’s what provides Grandma's Peanut Brittle Recipe with that signature light texture and balanced flavor. Set this aside for later use.
Step 3: Cook the Sugar Mixture
Grab a heavy-bottomed pot and pour in the granulated sugar, light corn syrup, and water. Stir constantly with a heatproof spoon or spatula over very high heat. It’s essential to keep stirring to prevent burning and to help the sugar dissolve completely. Attach your candy thermometer, and continue cooking until the mixture reaches 240°F. This precise temperature ensures the brittle will be perfectly crisp rather than sticky or soft.
Step 4: Add Peanuts and Continue Cooking
Once at 240°F, stir in the roasted peanuts. Keep stirring the mixture diligently as the temperature climbs to 320°F—the temperature at which the caramelized sugar reaches the hard crack stage, which is critical for that ideal brittle crunch.
Step 5: Finish the Brittle
Remove the pot from heat and immediately stir in the cubed butter until it melts completely. Then quickly but carefully add the prepared baking soda mixture. The mixture will foam up — that’s exactly what you want! Stir until it’s all incorporated, then pour the frothy candy mixture evenly onto your greased baking sheet. Let it cool and harden completely before breaking it into bite-sized pieces.
How to Serve Grandma's Peanut Brittle Recipe
Garnishes
Grandma’s Peanut Brittle is delicious on its own, but you can sprinkle a pinch of flaky sea salt over the top right after pouring it onto the sheet to enhance the sweet-and-salty flavor dynamic. For a festive touch, consider dusting with a little cinnamon or nutmeg for warmth.
Side Dishes
This brittle pairs beautifully with a cup of rich coffee or creamy hot chocolate—perfect for cozy afternoons or holiday gatherings. It also makes a delightful crunchy topping for ice cream sundaes or yogurt parfaits.
Creative Ways to Present
For gifting or parties, break the brittle into uniform pieces and stack them in a decorative tin or mason jar layered with parchment paper. You can also dip pieces in melted chocolate and let them set for a luxe upgrade that everyone will rave about.
Make Ahead and Storage
Storing Leftovers
Keep any leftover peanut brittle in an airtight container at room temperature. Stored this way, Grandma's Peanut Brittle Recipe maintains its crispiness for up to two weeks, making it a great make-ahead treat that keeps well.
Freezing
If you want to store it longer, you can freeze peanut brittle. Wrap pieces tightly in plastic wrap and place in a freezer-safe container. When stored properly, it can last for several months without losing that iconic crunch.
Reheating
To enjoy frozen brittle, simply let it come to room temperature before serving. Avoid microwaving or heating, as this can cause the sugar to soften and lose its crisp texture.
FAQs
Can I use raw peanuts instead of roasted peanuts?
While raw peanuts can be used, the dry roasted variety enhances flavor and texture, offering a nuttier, crunchier brittle that aligns with Grandma's Peanut Brittle Recipe masterpiece.
What if I don’t have a candy thermometer?
A candy thermometer is highly recommended to get the right texture. However, a good test is to drop a bit of the syrup in cold water—it should harden instantly and snap cleanly when ready.
Why does the brittle foam when I add baking soda?
The baking soda reacts with the hot sugar mixture, creating carbon dioxide bubbles that aerate the brittle. This process gives it that delightful light and crisp texture that distinguishes Grandma's Peanut Brittle Recipe.
Can I substitute butter with margarine or oil?
Butter gives the brittle its rich flavor and smooth mouthfeel. While you can experiment with margarine, it may alter taste and texture. Oils generally won’t provide the same results.
How do I prevent my peanut brittle from turning sticky?
Be sure to cook to the exact temperature (around 320°F) and cool the brittle in a dry, cool environment. Humidity can cause stickiness, so airtight storage after cooling is key.
Final Thoughts
Making Grandma's Peanut Brittle Recipe is like stepping into a heartwarming tradition where simple ingredients and loving technique create magic. If you’ve been on the hunt for that perfectly crunchy, buttery candy to share with loved ones or to savor yourself, this recipe is your golden ticket. So grab your candy thermometer and give it a try—you might just find a lifelong candy obsession in the making!
Print
Grandma's Peanut Brittle Recipe
- Prep Time: 5 minutes
- Cook Time: 15 minutes
- Total Time: 20 minutes
- Yield: About 60 pieces
- Category: Candy
- Method: Stovetop
- Cuisine: American
Description
Grandma's Peanut Brittle is a classic American candy featuring a perfect balance of sweet, salty, and nutty flavors. This traditional recipe combines sugar, corn syrup, butter, and roasted peanuts cooked to a crisp, golden brittle texture with a delightful crunch. The addition of vanilla and a touch of baking soda gives the brittle a light, airy finish, making it a nostalgic treat for candy lovers of all ages.
Ingredients
Dry Ingredients
- 3 cups granulated sugar
- 1 teaspoon kosher salt
- 1 teaspoon baking soda
- 3 cups dry roasted peanuts (about 1 pound)
Wet Ingredients
- 1 cup light corn syrup
- 1 cup water
- 1 stick unsalted butter (8 tablespoons), cubed
- 1 teaspoon pure vanilla extract
Instructions
- Prepare the Baking Sheet: Grease an 18x13 inch half sheet pan generously with butter and set it aside to use for pouring the brittle mixture.
- Mix Seasoning: In a small bowl, combine baking soda, kosher salt, and vanilla extract. Set this mixture aside for later use.
- Cook Sugar Mixture: In a large heavy-bottomed pot, combine granulated sugar, light corn syrup, and water. Using a heatproof spoon or spatula, stir continuously over very high heat until the temperature reaches 240°F (soft ball stage) on a candy thermometer. This ensures the sugar syrup is properly cooked to create the brittle texture.
- Add Peanuts: Stir in the dry roasted peanuts and continue to cook the mixture, stirring constantly until the temperature reaches 320°F (hard crack stage). This step crisps the brittle, giving it that classic snap.
- Incorporate Butter: Remove the pot from the heat and immediately stir in the cubed butter until fully melted and combined into the mixture, adding richness and flavor.
- Add Baking Soda Mixture: Quickly stir in the previously mixed baking soda, salt, and vanilla extract. The mixture will foam up; continue stirring until well combined. This foaming helps make the brittle light and less dense.
- Set the Brittle: Pour the foamy peanut mixture onto the prepared buttered baking sheet. Spread it evenly and let it cool completely until it hardens.
- Break into Pieces: Once fully set and hardened, break the peanut brittle into bite-sized pieces for serving and storage.
Notes
- Stir the sugar mixture constantly using a wooden spoon to prevent burning.
- Use a reliable candy thermometer to track the correct cooking temperatures (240°F and 320°F) for ideal texture.
- The baking soda mixture causes foaming, so stir quickly to incorporate evenly.
- Allow the brittle to cool completely on the greased pan before breaking to avoid sticky or soft pieces.
- Store the peanut brittle in an airtight container to maintain crispness.
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