This Peanut Brittle Recipe Is an Ode to My Grandma (2024)

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Kristina Vänni

Kristina Vänni

Internationally recognized culinary authority Kristina Vänni is a well-known food writer, engaging TV host, award-winning recipe developer, food stylist, and photographer. In addition to writing for industry-leading websites including Better Homes and Gardens, The Spruce Eats, and Food52, she has been a featured expert on national media such as ABC News’ “World News Tonight” and CBS’ “The Talk” and has served as a spokesperson and recipe developer for national brands such as Finlandia, KitchenAid, Post Foods, Baileys, among many others. Kristina is currently writing her first cookbook, an exploration of the traditional and seasonal cuisine from her family's dairy farm in Finland. Kristina enthusiastically shares her creative content, behind-the-scenes peeks, and industry expertise with food enthusiasts on Instagram, Facebook, and Twitter.

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published Jul 26, 2021

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This Peanut Brittle Recipe Is an Ode to My Grandma (1)

Homemade peanut brittle is the ultimate made-with-love holiday gift.

Serves12Makesabout 2 poundsPrep5 minutesCook40 minutes

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This Peanut Brittle Recipe Is an Ode to My Grandma (2)

Food memories are the best. An aroma, a flavor, even the crisp sound of something snapping in your mouth can all instantly bring back a flood of memories. These recollections are so special because we can conjure up those warm feelings anytime we want, simply by firing up the stove and recreating a recipe.

Peanut brittle wasn’t typically a go-to confection in my house when I was growing up. We typically made toffee, fudge, or cookies during the holidays. However, in the later years of my grandmother’s life, my cousin would always bring a big box of See’s simply irresistible peanut brittle to family gatherings. My grandma loved munching on something sweet here and there throughout the day, and our hands would inevitably sneak their way to the box for a taste.

This year would have been my grandma’s 100th birthday, and slowly stirring this peanut brittle on the stovetop brought back memories of seeing her sitting in her chair at the age of 97, reading a book on her iPad while nibbling on some peanut brittle.

This recipe for a traditional peanut brittle is easy to make as holiday gifts or for get-togethers. The flavor reminds me of that irresistible box of candy from See’s. I didn’t worry too much about getting the brittle spread out super thin as it cools, mainly because I always remember the See’s version as being just ever-so-slightly thicker than many homemade brittles. I hope that this version can be the springboard of fond food memories for other families for years to come.

What Is Peanut Brittle?

Peanut brittle is a classic American confection that some believe was created by accident in the late 1800s when a Southern woman was attempting to make taffy, but accidentally added baking soda to the recipe instead of cream of tartar. The result was a deliciously crunchy brittle instead of a chewy taffy. The baking soda reacted with the caramel by aerating it and producing tiny air pockets in the cooled candy, resulting in a crisp, brittle texture.

Tips for Making Peanut Brittle

  • Besides baking soda, the other important ingredient in homemade peanut brittle is corn syrup. It is best not to shy away from this ingredient — and don’t try substituting honey, molasses, or agave. Ultimately, corn syrup keeps the candy smooth and prevents the sugar from crystalizing and developing a gritty or grainy texture.
  • When it comes to the peanuts in peanut brittle, I like to use roasted salted nuts for optimal flavor. I have found Spanish peanuts are a great option and their signature red paper skins add visual interest to the brittle as well.
  • Finally, it’s important to make sure you have a reliable candy thermometer on hand if you plan on making homemade peanut brittle. They’re inexpensive and easy to find in just about any large grocery or big-box store. Achieving the proper temperatures for the sugar mixture and then once again after the nuts are added are key to making a brittle that is perfectly caramelized and flavorful, but not burnt.

What Temperature Is the Hard Crack Stage?

The hard crack stage on a candy thermometer is between 300°F and 310°F. When making peanut brittle, I like to take it off the heat just slightly before it hits this stage, around 295° F.

Polder Candy and Deep Fry Cooking Thermometer

Why Is My Peanut Brittle Too Hard?

If your peanut brittle is too hard, it might have cooked too long and reached a temperature higher than the hard crack stage.

Can I Freeze Peanut Brittle?

Yes, peanut brittle can be stored in an airtight container in the freezer for up to 3 months.

Comments

Peanut Brittle

Homemade peanut brittle is the ultimate made-with-love holiday gift.

Prep time 5 minutes

Cook time 40 minutes

Makes about 2 pounds

Serves 12

Nutritional Info

Ingredients

  • 2 cups

    granulated sugar

  • 1 cup

    light corn syrup

  • 1/4 cup

    water

  • 2 cups

    salted, roasted peanuts, preferably Spanish

  • 3 tablespoons

    unsalted butter, plus more for greasing pans

  • 2 teaspoons

    baking soda

  • 1 teaspoon

    vanilla extract

Instructions

  1. Generously coat a large marble slab or 2 rimmed baking sheets with unsalted butter.

  2. Place 2 cups granulated sugar, 1 cup light corn syrup, and 1/4 cup water in a large 3-quart heavy bottomed saucepan. Cook over medium heat (don't be tempted to cook at a higher heat as you risk scorching), stirring constantly with a heatproof spatula, until the sugar dissolves.

  3. Clip a candy thermometer onto the saucepan and continue cooking, stirring frequently to prevent scorching, until the mixture reaches 285°F (soft crack stage), about 15 minutes. Meanwhile, measure out 2 cups salted, roasted peanuts, 3 tablespoons unsalted butter, 2 teaspoons baking soda, and 1 teaspoon vanilla extract.

  4. Add the peanuts and unsalted butter to the saucepan and continue to cook, stirring constantly, until the mixture reaches 295°F. (This is just slightly above the soft crack stage, but not yet at the hard crack stage.) Immediately remove the saucepan from the heat and take off the candy thermometer.

  5. Working quickly, add the baking soda and vanilla extract to the saucepan and stir to combine. The mixture will foam. Immediately pour the mixture onto the prepared marble slab or baking sheets and spread it out into as thin a layer as possible with an offset or heatproof spatula.

  6. When the mixture begins to cool and harden, after about 10 minutes, run a long, thin metal spatula or butter knife underneath the brittle to gently loosen it from the surface. This will help it cool and help prevent sticking. Once completely hardened and cooled, break it into pieces.

Recipe Notes

Storing: Peanut brittle can be stored in an airtight container at room temperature for up to 2 months or frozen up to 3 months.

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This Peanut Brittle Recipe Is an Ode to My Grandma (2024)

FAQs

How long does peanut brittle last after you make it? ›

To store: Once it's completely cooled, store peanut brittle in an airtight container at room temperature. Do not refrigerate as the moisture from the fridge will cause the brittle to soften. Store for 6-8 weeks. To Freeze: Peanut brittle can be frozen and stored up to 3 months.

Why didn't my peanut brittle get hard? ›

The main reason why peanut brittle doesn't get hard and have the crunch we expect is because the sugar was not cooked long enough. The sugar needs to be cooked to what is called the hard crack stage, 300ºF.

What is the trivia about peanut brittle? ›

In parts of the Middle East, brittle is made with pistachios, while many Asian countries use sesame seeds and peanuts. “Brittle,” a flat hardened sugar candy, is thought to be one of the first candies ever made. Peanut brittle made with corn syrups and nuts began appearing in cookbooks around the 19th century.

What is the meaning of peanut brittle? ›

A type of confection prepared with sugar, corn syrup, peanuts, and butter that has the flavor of buttery, caramelized sugar surrounding a flat layer of peanuts. The candy is quite hard and brittle, hence the name; a result of cooking a sugar syrup with moderate heat until the syrup reaches 300ºF (hard crack stage).

Why add baking soda to peanut brittle? ›

Baking soda is also very important at this stage since it reacts to the heat, creating carbon dioxide that aerates the caramel, enabling it to snap when someone bites into it rather than requiring them to gnaw at it until it breaks or pulls apart.

How do you make peanut brittle crispy again? ›

Reviving stale peanut brittle is possible to some extent. You can try placing the stale peanut brittle on a baking sheet and gently heating it in an oven at a low temperature, around 250°F (120°C), for a few minutes.

Can you overcook peanut brittle? ›

If you overcook the brittle, it could be bitter or burnt. If you undercook it, the brittle won't properly set and the end result will be sticky.

Why is my peanut brittle hard but sticky? ›

What's important to know is that the corn syrup controls the grain of the brittle so adding too little and you have a grainy textured brittle, while adding too much will result in a stringy and sticky brittle.

Why is my peanut brittle not fluffy? ›

It is important to coat cookie sheets with butter and put in the freezer to get them really cold before you need to pour the brittle. After you pour the candy you should put the pans in the fridge or outside if it is cold, so the brittle will set up quickly and stay fluffy.

Can peanut brittle be made on a rainy day? ›

One thing to note before we begin: I highly recommend making this recipe on a dry, low humidity day (so winter is a great time to start practicing!). Any moisture in the air can be re-absorbed into your candy, making it softer, and we want our candy to be hard and brittle (hence the name!).

Is peanut brittle good or bad for you? ›

Peanut brittle has one redeeming quality: peanuts. Outside of that single ingredient, peanut brittle is painfully unhealthy. It contains: sugar, corn syrup, and butter, all of which are unhealthy for your body in different ways.

Who made the original peanut brittle? ›

The general origin story of peanut brittle is that it came from the South, and that a Southern woman in the second half of the 19th century came up with peanut brittle by accidentally putting baking soda into her taffy instead of cream of tartar.

What nationality is peanut brittle? ›

Peanut brittle's prominence during holidays and celebrations solidified its place in American culinary traditions. The southern United States, known for its love affair with pecans, introduced another star to the brittle scene: pecan brittle.

What country is peanut brittle from? ›

While numerous cultures have been whipping up nut and syrup creations for centuries, it's very likely that the peanut brittle we know and love is American in origin.

What year did peanut brittle come out? ›

This tale has the Irish bringing the recipe to America circa 1830. But whatever its origins, peanut brittle became America's sweetheart, and even provided energy for soldiers in the midst of battle.

Does peanut brittle go bad if not refrigerated? ›

In cool, dark, and dry conditions, peanut brittle will last for an extremely long time. If kept vacuum sealed, it would last even longer. Your two biggest spoilage factors for peanut brittle would be moisture and rancidity.

What is the shelf life of candied peanuts? ›

We recommend a 6 month expiration date for all Candied Nut products - Vienna Almonds, Candied Macadamias, Buttered Brazils, Candied Peanuts. The best way to store nuts and chocolates is in an airtight jar/container, in a cool dry position, away from direct sunlight, such as a pantry.

How long does it take for peanuts to go bad? ›

The general rule is that most nuts retain quality for a few months. However, this does not mean that nuts will remain in good condition for an extended period. Shelled nuts stored at room temperature are expected to last six to nine months. Non-shelled nuts will last for four to six months.

How long does homemade peanut butter last? ›

In general, homemade peanut butter can last for about 2 to 3 months when stored properly. However, there are a few factors to consider: Ingredients: If you use only peanuts in your homemade peanut butter, it can last longer compared to adding other ingredients like honey, oils, or additives.

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