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Easy Peanut Brittle Recipe

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This easy peanut brittle recipe is golden, buttery, and perfect as a treat or to package up for holiday gifts. This homemade candy is salty and sweet and only has six ingredients!

stack of peanut brittle on a white plate

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Homemade candy is a favorite during the holidays – hard candy, crockpot peanut clusters, peanut butter fudge, and this old fashioned peanut brittle recipe.

I loved Planters Peanut Bars when I was little but I don’t think they make them anymore. This peanut brittle is similar and so easy to make yourself!

You do need to use a candy thermometer but don’t let that intimidate you. You’ll be fine as long as you don’t get distracted (speaking from experience).

stack of peanut brittle on a white plate

Ingredients needed to make peanut brittle

Below is a list of ingredients. Scroll all the way down for the recipe card with measurements.

SUGAR – Granulated white sugar.
CORN SYRUP – Use light corn syrup. I use Karo syrup.
WATER
BUTTER – Unsalted butter, cubed.
BAKING SODA – The baking soda creates a chemical reaction causing little air bubbles to form. The candy becomes porous and brittle, making it easy to break into pieces.
PEANUTS – I like to use roasted peanuts for flavor but raw spanish peanuts were traditionally used.

overhead shot of ingredients laid out to make peanut brittle

TOOLS FOUND ON AMAZON TO HELP YOU

  • Baking Sheet – Use a lipped baking sheet to keep the peanut brittle on the pan.
  • Candy Thermometer – Nothing fancy, you just need a basic one, but it is helpful to have a clip to hook to the pot.
  • Silicone Spatulas – I use these for everything in the kitchen.

How to make peanut brittle

This candy is so easy to make, but it does require you to watch the temperature so don’t get distracted!

STEP ONE: Grab a baking sheet with sides (like a jelly roll pan) and cover it with foil. Spray with non-stick spray and set aside.

STEP TWO: Stir together the sugar, corn syrup, and water in a medium saucepan. Bring the mixture to a boil and continue to boil until the temperature reaches 340 degrees F. It should be golden brown after about 15 minutes.

STEP THREE: Remove the pan from the heat and add butter and baking soda. It will bubble up (that’s the chemical reaction) so work quickly stirring with a silicone spatula until smooth.

STEP FOUR: Pour in the peanuts and stir to evenly distribute. Quickly pour the mixture onto the lined baking pan and spread it evenly into a thin layer.

overhead shot of pot making peanut brittle process

STEP FIVE: Let the candy harden, at room temperature (about 30 minutes), and then break into pieces and store in an airtight container.

peanut brittle poured onto a baking sheet

Which types of nuts should I use?

Peanuts are the classic choice to use in nut brittle. Roasted peanuts have great flavor. Raw Spanish peanuts were traditionally used but either work. You could also use almonds, cashews, macadamia nuts, pecans…just about any will work.

What does baking soda do to peanut brittle?

Baking soda might seem like an odd addition to the peanut brittle and not everyone adds it, but baking soda creates a chemical reaction that creates little air bubbles. It is added once the sugar mixture has cooked down and becomes acidic. The candy becomes porous and brittle, making it easy to break into pieces.

overhead shot of platter of peanut brittle

Why is my peanut brittle chewy?

There is where the candy thermometer becomes important. The biggest reason your peanut brittle is chewy and sticky is because you didn’t cook it long enough. It’s not something you can guess at, you need it to reach the hard-crack stage. that means the strands of sugar break easily and feel dry, as opposed to sticky.

If you take it off the heat too soon, it doesn’t set up and makes a sticky mess, but let it cook too long and it becomes scorched and bitter.

Another possible cause might be humidity in the air. You should store finished peanut brittle in an airtight container so humidity doesn’t get to it.

broken peanut brittle on a baking sheet

How long is it good for?

When stored in an airtight container, at room temperature, peanut brittle will keep for 6-8 weeks. Do not put it in the fridge as it as the moisture will cause the brittle to soften. It can also be frozen and stored up to 3 months.

Need more homemade candy recipes? Try these:

Christmas Oreo Bon Bons
Crockpot Salted Caramel Fudge
Peanut Butter Balls
Crockpot Cinnamon Sugar Candied Almonds
Christmas “Crack”
Candied Pecans

stack of peanut brittle on a white plate

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stack of peanut brittle on a white plate

Easy Peanut Brittle Recipe

Melissa Williams | Persnickety Plates
This easy peanut brittle recipe is golden, buttery, and perfect as a treat or to package up for holiday gifts. This homemade candy is salty and sweet and only has six ingredients!
5 from 2 votes
Prep Time 5 mins
Cook Time 20 mins
Harden Time 30 mins
Total Time 55 mins
Course Dessert, Snack
Cuisine American
Servings 10 servings
Calories 390 kcal

Ingredients
  

  • 2 cups granulated sugar
  • 1/2 cup light corn syrup
  • 1/2 cup water
  • 6 Tb unsalted butter cubed
  • 1/2 tsp baking soda
  • 1 1/2 cups roasted peanuts

Instructions
 

  • Line a lipped baking sheet with foil and spray with non-stick spray. Set aside.
  • To a medium saucepan, add the sugar, corn syrup, and water. Add in the candy thermometer to the pan making sure it touches the mixture but not the bottom of the pan. Bring the mixture to a boil over medium heat and then continue to boil until the mixture is golden brown and reaches 340 degrees. This should take about 15 minutes.
  • Remove the pan from the heat and quickly stir in the butter and baking soda until smooth. Then stir in the peanuts until evenly distributed.
  • Pour the mixture onto the prepared baking sheet and spread evenly with a silicone spoon, working quickly, as it will start to set.
  • Let harden at room temperature, about 30 minutes, and then break up into pieces.

Notes

Use a candy thermometer to make sure your sugar mixture reaches 340 degrees. Hook the thermometer to the side of the pan so it touches the mixture but not the bottom of the pan.
Store in an airtight container.

Nutrition

Serving: 1gCalories: 390kcalCarbohydrates: 57gProtein: 6gFat: 18gSaturated Fat: 6gCholesterol: 18mgSodium: 170mgPotassium: 170mgFiber: 2gSugar: 53gVitamin A: 210IUCalcium: 26mgIron: 1mg

Nutritional information is an estimate and provided to you as a courtesy. You should calculate the nutritional information with the actual ingredients used in your recipe using your preferred nutrition calculator.

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This recipe first appeared on Yellow Bliss Road.

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  1. Kathleen Duncan says

    5 stars
    5 Stars. Peanut Brittle is excellent. The recipe is easy to follow, the key to this recipe is the candy thermometer.

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