Peanut Brittle

HolidayCandyPeanut

Peanut Brittle is not at all hard to make at home! Make some for holiday gifts, or just to have around the house when unexpected guests show up. Peanut brittle can be stored for several weeks and ships very well!

Photography Credit: Irvin Lin

Peanut brittle was one of those candies we always had around the house when I was kid because my dad was obsessed with it. Though I would sneak a bite of it every now and then (I was more of a chocolate guy than a peanut brittle guy), my dad would nibble on it nearly every night after dinner as we watched TV and serve it whenever it was our time to host “bridge club” with his friends.

But of course, it turns out that peanut brittle has a history that goes much farther back than the mid-1980s.

Old Fashioned Peanut Brittle Recipe

WHERE DOES PEANUT BRITTLE COME FROM?

Stella Parks, in her cookbook BraveTart, says one of the earliest peanut brittle recipes dates to 1843 from a Philadelphia woman named Deborah Fisher who sold “the Original Pea or Groundnut Candy” in her 8th street shop. Recipes for peanut brittle evolved using molasses as an ingredient, and the Boston cookbook The Art of Confectionery mentions adding baking soda “to render it tender.”

Other stories on the Internet say that peanut brittle was a Southern invention, made by an unknown woman in 1890 who accidentally used baking soda instead of cream of tartar when trying to make taffy. Its popularity is often associated with the American south—most of the country’s peanut farms are located in Georgia, Florida, and Alabama.

Best Peanut Brittle Recipe

HOW TO MAKE PEANUT BRITTLE

Homemade brittle is actually fairly easy. Start by placing sugar, corn syrup, and water in a large saucepan and heating it to make a caramel—which happens when sugar is heated to a specific temperature, melts and starts to decompose.

Once the caramel is ready, add baking soda (see below for why!), and then the peanuts. Pour the entire mixture onto a pan and spread out it while it’s still liquid (and hot).

As the candy cools, it hardens and becomes brittle. Once totally cooled, it can be broken into smaller pieces to enjoy!

The Role of Baking Soda

The introduction of baking soda to the molten caramel is what differentiates brittle from standard hard caramel candy.

The baking soda reacts with the caramel in its liquid state, aerating it and producing tiny pockets of air as it cools and solidifies. This results in a treat that is, well, brittle in nature.

How to Make Peanut Brittle

DO YOU REALLY NEED CORN SYRUP?

This peanut brittle specifically uses corn syrup to make keep it smooth and keep the sugar from crystalizing. Often, making caramel can be a scary thing, not only because you’re cooking over direct heat (which can potentially cause the sugar to burn) but also because caramel candy can sometimes develop a gritty graininess.

Grittiness can happen when a stray sugar crystal doesn’t melt properly or is introduced while the caramel is cooking. The stray crystal causes the surrounding sugar to crystallize, resulting that gritty texture once the caramel has cooled.

The water added initially to the pot helps dissolve all the sugar to reduce this risk, while corn syrup interferes with crystals forming as well. These two things combined will ensure you have a smooth caramel.

I don’t recommend substituting honey, molasses or agave for the corn syrup. Those other liquid sugars have impurities that will burn at the higher temperature of making caramel leading to a bitter tasting brittle.

WHEN (AND WHEN NOT) TO STIR THE CARAMEL

Make sure stir the mixture at the beginning of cooking to dissolve all the sugar. However, do NOT stir the caramel mixture once the butter and sugar have dissolved (if you stir it after the water has boiled off, you could create graininess).

If you are concerned about whether or not the caramel is cooking evenly, just swirl the pan a little bit to stir it. But don’t use a spoon or any utensil.

Homemade Peanut Brittle

HOW TO KNOW WHEN THE BRITTLE IS READY

Using a candy thermometer is recommend but if you don’t have one, don’t let that stop you from making peanut brittle!

You want to cook the molten sugar until it reaches the color of an older penny.

You have a little leeway on the temperature, but if you are relying on color alone, I’d recommend cooking the sugar at a lower heat. It will take longer but you’ll have more of a cushion with the timing; you don’t want the caramel to burn and become bitter.

Best Peanut Brittle Recipe

WAYS TO ADAPT THIS RECIPE

Peanut brittle is an easy candy recipe to adapt to your own taste. Feel free to substitute a different type of nut, such as pistachio or hazelnut, for the peanuts. Just chop the nuts to the size of peanuts if they are large.

You can also dip the cooled and broken brittle into melted chocolate if you like!

HOW TO STORE PEANUT BRITTLE

Store the peanut brittle in a zip-topped bag or an airtight container. Humidity and moisture are its enemy, so keep it as airtight as possible. You can also layer the brittle between parchment or wax paper so it doesn’t stick together.

Best Peanut Brittle Recipe

HOW LONG WILL PEANUT BRITTLE LAST?

As long as you keep the brittle in an airtight container, it should last for up to 3 weeks.

CAN YOU FREEZE PEANUT BRITTLE?

You can freeze it for longer storage (up to 3 months) in an airtight container.

MORE HOLIDAY TREATS TO TRY!

Peanut Brittle Recipe

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  • Prep time: 15 minutes
  • Cook time: 15 minutes
  • Cooling time: 1 hour
  • Yield: 20 to 24 pieces, depending on how you crack them

Ingredients

  • 1 cup (200g) white sugar
  • 1/2 cup (150g) light corn syrup
  • 1/4 cup (57 g or 1/2 stick) butter, unsalted
  • 1/4 cup water
  • 2 teaspoons vanilla extract
  • 3/4 teaspoon baking soda
  • 1/4 teaspoon kosher salt, omit if using salted peanuts
  • 1 1/4 cups (175 g) unsalted dry roasted peanuts

Method

1 Prep the baking sheet, baking soda, salt, vanilla, and peanuts: Spray a rimmed baking sheet with cooking oil and place on heatproof trivet or oven mitts.

Measure out the peanuts in a medium sized bowl, the baking soda and salt into a small bowl, and the vanilla in another small bowl.

How to Make Peanut Brittle prep the peanuts vanilla and salt

2 Melt the sugar, corn syrup, and butter: Place the sugar, corn syrup, butter and water in a medium saucepan at least 3 quarts in size (in order to accommodate the boiling mixture after adding the baking soda).

Attach a candy thermometer to the side (if using). Turn the heat on high and gently stir with wooden spoon or heatproof spatula until the butter has melted and the sugar has dissolved.

If for some reason the sugar doesn't all dissolve and you see undissolved crystals stuck to the sides of the pan, just brush them down with a wet pastry brush. (This may not happen to you, so don't fret if you don't have a pastry brush. Just carry on; the brittle will be fabulous.)

Old Fashioned Peanut Brittle Recipe melt the butter with water, sugar, butter, and corn syrup

3 Boil the caramel: Once the sugar has dissolved, remove spoon or spatula and reduce heat to medium-high (or medium-low if you aren’t using a thermometer).

Cook, without stirring, for 8 to 12 minutes (or longer if at a lower temperature) until the mixture reaches the color of golden caramel (the color of an older penny), about 340°F.

Peanut Brittle heat the sugars Homemade Peanut Brittle cook the caramel

4 Add the baking soda: When the caramel has reached the right color/temperature, remove from heat and remove thermometer (if using).

Stir in the vanilla, baking soda, and salt carefully. The caramel will boil and steam.

Peanut Brittle stir in the baking soda and vanilla Best Peanut Brittle Recipe let it boil Homemade Peanut Brittle add the peanuts

5 Stir in the peanuts, then immediately pour onto the prepared baking sheet. Spread the brittle evenly across the pan using a heatproof spatula.

Old Fashioned Peanut Brittle Recipe spread out the brittle How to Make Peanut Brittle cover the baking sheet

6 Cool and store: Let the brittle cool for 1 hour at room temperature, and then break the brittle into 2-inch pieces with your hands or chop with a chef’s knife (I like using my hands; it’s more fun and safer as you have more control over the pieces you're breaking).

Old Fashioned Peanut Brittle Recipe cool the brittle

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Irvin Lin

Irvin Lin is an IACP award-winning photographer, food writer and recipe developer, blue-ribbon baker, public speaker and occasional social media consultant. His blog is Eat the Loveand his first cookbook is Marbled, Swirled and Layered.

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