Old-fashioned Homemade Peanut Brittle Recipe for the Holidays (2024)

  • Southern Desserts
  • Candy

By

Diana Rattray

Old-fashioned Homemade Peanut Brittle Recipe for the Holidays (1)

Diana Rattray

Southern-cuisine expert and cookbook author Diana Rattray has created more than 5,000 recipes and articles in her 20 years as a food writer.

Learn about The Spruce Eats'Editorial Process

Updated on 03/14/22

Tested by

Colleen Graham

Old-fashioned Homemade Peanut Brittle Recipe for the Holidays (2)

Tested byColleen Graham

Freelance writer and co*cktail book author Colleen Graham is a seasoned mixologist who loves sharing her knowledge of spirits and passion for preparing drinks.

Learn about The Spruce Eats'Editorial Process

Old-fashioned Homemade Peanut Brittle Recipe for the Holidays (3)

Prep: 10 mins

Cook: 20 mins

Cool: 30 mins

Total: 60 mins

Servings: 24 servings

Yield: 2 pounds

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This old-fashioned peanut brittle recipe is as easy to make as it is delicious. Peanut brittle makes a perfect holiday season gift for friends, family, co-workers, teachers, or anyone else deserving of some deliciousness. To make the sweet treat a cute gift, tie a festive ribbon with a gift tag on the glass jar. It can be helpful for the gift recipients if you include an ingredient list on the tag, especially for anyone with a peanut allergy or sensitivity.

Using a Candy Thermometer

A candy thermometer is the one kitchen gadget that you'll need for this recipe. It's important to use a candy thermometer and it nearly guarantees foolproof results. To check the accuracy of your candy thermometer, bring a saucepan of water to a full boil. The thermometer should register 212 F (or the boiling point for your altitude if above 1,000 feet). If it's off by a degree or two, adjust the cookingtemperature accordingly.

Peanut brittle is cooked to the hard-crack stage. It's called that because it's the point when a drop of boiling sugar syrup immersed into cold water will separate into hard, brittle threads. While toffee is made with similar ingredients, it is cooked to a lower temperature: the hard-ball stage. The change in temperature results in a different candy consistency when the candy cools. Toffee is hard, but has a softer crunch, while brittle is very hard and crunchy.

Cooking Tips

Peanut brittle is so good that it seems as if it would be time-intensive and complicated, but it's a quick and easy candy to make. The hot brittle is extremely hot so take care when pouring it into the baking pans. Even though it's a tasty treat the whole family will likely enjoy, this isn't a recipe that is particularly well-suited for the kids to help with. This recipe makes a large batch of about two pounds, so there is plenty to share.

"A quick, fun, and delicious treat to make, this recipe is a good introduction to homemade candy. Be sure to read all the tips and have everything ready before starting, then pay attention to your candy thermometer, and don’t forget the baking soda at the end!" — Colleen Graham

Old-fashioned Homemade Peanut Brittle Recipe for the Holidays (4)

A Note From Our Recipe Tester

Ingredients

  • 1 cup (8 ounces) unsalted butter, more for greasing the pans

  • 2 cups granulated sugar

  • 1 cup light corn syrup

  • 1/2 cup water

  • 3 cups dry roasted peanuts

  • 1 teaspoon baking soda

Steps to Make It

  1. Gather the ingredients.

    Old-fashioned Homemade Peanut Brittle Recipe for the Holidays (5)

  2. Line a work surface with heatproof pads or pot holders. Generously grease 2 (13 x 9 x 2-inch) rimmed baking sheets. Place the prepared sheets on the protected work surface.

    Old-fashioned Homemade Peanut Brittle Recipe for the Holidays (6)

  3. In a large saucepan with a candy thermometer attached, combine the sugar, corn syrup, and water.

    Old-fashioned Homemade Peanut Brittle Recipe for the Holidays (7)

  4. Cook the sugar mixture over medium heat, stirring frequently, until the sugar dissolves. Bring the sugar mixture to a boil. Carefully add the butter, stirring until melted. Begin to stir frequently when syrup reaches the thread stage, about 230 F.

    Old-fashioned Homemade Peanut Brittle Recipe for the Holidays (8)

  5. When the temperature reaches the soft-crack stage (280 F), add the peanuts. Stir constantly until hard-crack stage (300 F), is reached.

    Old-fashioned Homemade Peanut Brittle Recipe for the Holidays (9)

  6. Remove from heat and stir in baking soda. Mix well to combine.

    Old-fashioned Homemade Peanut Brittle Recipe for the Holidays (10)

  7. Immediately pour the mixture evenly into the prepared baking pans.

    Old-fashioned Homemade Peanut Brittle Recipe for the Holidays (11)

  8. As the peanut brittle cools, stretch it thinner by lifting and pulling at the edges with forks. Loosen the brittle from the pans after about 7 to 8 minutes, flipping the brittle over while the mixture is still semi-solid and flexible (the mixture should be removed from the pans as quickly as possible to avoid sticking).

    Old-fashioned Homemade Peanut Brittle Recipe for the Holidays (12)

  9. Break the hardened candy into pieces as desired. Store in an airtight container.

    Old-fashioned Homemade Peanut Brittle Recipe for the Holidays (13)

Tips

  • Use a large saucepan to avoid a sticky mess. After adding the butter and baking soda, the candy will foam and fill the pan.
  • Have all of the ingredients ready and within reach before turning on the heat. While there are slow periods when you’re just stirring, you will also need to move quickly toward the end.
  • After adding the peanuts, the temperature will drop significantly and the candy becomes more difficult to stir. Be patient and keep it moving; it doesn’t take long for the temperature to reach the hard-crack stage.
  • To clean up after making brittle, fill the saucepan with boiling hot water. Add any other candy-coated utensils and let them soak for about 15 minutes, or until the sugar dissolves, then clean as usual.

How to Store

Peanut brittle will get soft when exposed to moisture and should not be refrigerated. Keep it in an air-tight plastic bag or container at room temperature; layers of parchment paper will prevent sticking. It will keep well for six to eight weeks and can be frozen in freezer-safe packaging for up to three months.

Why add baking soda to peanut brittle?

After paying attention to the thermometer for so long, it’s easy to forget the baking soda. However, it is a key ingredient in many classic brittle recipes (though some skip it). When stirred into the hot candy, it creates a foaming reaction that adds air and gives the cooled candy a lighter texture. Without the baking soda, the peanut brittle will be harder, but still tasty.

Buttery Cashew Brittle

Nutrition Facts (per serving)
280Calories
17g Fat
31g Carbs
5g Protein

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Nutrition Facts
Servings: 24
Amount per serving
Calories280
% Daily Value*
Total Fat 17g21%
Saturated Fat 6g31%
Cholesterol 20mg7%
Sodium 123mg5%
Total Carbohydrate 31g11%
Dietary Fiber 2g5%
Total Sugars 28g
Protein 5g
Vitamin C 0mg0%
Calcium 15mg1%
Iron 0mg2%
Potassium 118mg3%
*The % Daily Value (DV) tells you how much a nutrient in a food serving contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.

(Nutrition information is calculated using an ingredient database and should be considered an estimate.)

Recipe Tags:

  • Candy
  • dessert
  • southern
  • christmas

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Old-fashioned Homemade Peanut Brittle Recipe for the Holidays (2024)

FAQs

Why didn't my homemade 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.

How long will homemade peanut brittle stay fresh? ›

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.

What happens when you add baking soda to peanut brittle? ›

Be sure to use a candy thermometer to ensure it reaches 300 degrees F or hard crack stage. What does baking soda do to peanut brittle? Adding a little baking soda aerates the peanut brittle causing it to expand slightly for a crunchy texture that won't break your teeth when you chew it.

How do you keep peanut brittle crispy? ›

The candy will attract moisture from the air, making it unpleasantly sticky instead of shatteringly crisp. Once it's completely cool, transfer it to an airtight container.

How do you make peanut brittle hard again? ›

- Preheat your oven to a low temperature, around 250°F (120°C). - Break the stale peanut brittle into smaller pieces. - Place the brittle pieces on a baking sheet in a single layer. - Heat the brittle in the oven for about 5 to 10 minutes, checking frequently to avoid overcooking.

What makes brittle hard? ›

What Makes it Brittle? The sugar will be cooked to 300ºF (149ºC)—hard crack stage; which when set up would be hard like a lollipop. But peanut brittle is delicate and you can easily bite into it—how? The secret is in the baking soda.

Why didn't my peanut brittle set? ›

Why didn't my homemade peanut brittle get hard? Same answer as the question above. If your peanut brittle is not hardening, it's because the sugar mixture did not get hot enough to properly caramelize, cool and become hard, crisp and crunchy.

Can you overcook peanut brittle? ›

Use a candy thermometer!

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 did my peanut brittle turn white? ›

Peanut brittle turning white, often referred to as "sugaring," is typically the result of crystallization of the sugar in the candy. This crystallization can make the brittle appear white or cloudy rather than having a clear, glass-like consistency.

Why is my peanut brittle bitter? ›

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.

What does putting peanuts in co*ke do? ›

A more hands-on meal would mean a washing-up break, but simply pouring your peanuts into the co*ke bottle allowed for a protein boost that you could sip while working. Since then, the salty-sweet pairing of sugary co*ke and savory peanuts has spread across the South, from the Carolinas all the way to Texas.

What is the best pan for making peanut brittle? ›

Heavy 6 quart Dutch Oven pot. Mine is an old 1970's Club Aluminum. It's perfect! You need a heavy THICK pot so it won't scorch.

Can I freeze homemade peanut brittle? ›

Absolutely! If you want to extend the life of your peanut brittle, you can freeze it. But, make sure it is completely cooled, as moisture is an enemy of peanut brittle. Ensure the brittle pieces are separated by parchment paper to prevent them from sticking together.

Can you make peanut brittle in humid weather? ›

I've learned that brittle is better when made on a cool, dry day. When I've made the candy on a warmer, humid day, it tends to be a stickier brittle. This is because the brittle takes longer to cool, and it reaches a point where it is no longer evaporating moisture into the air.

How do you fix peanut brittle that's too soft? ›

So, I Googled Salvaging Undercooked Peanut Brittle and followed Tiffany's helpful instructions to throw the pieces back in the pan, turn the heat up and stir, stir, and stir to a raging boil and wait to pour it in the pan until it reaches 300 degrees.

Why are my peanuts not getting soft? ›

Dried peanuts will require a longer soaking time before cooking, so leave them to soak for at least 8 hours or overnight. Soaking the peanuts ensures that they will soften more easily when they are cooked, giving them their delicious texture.

Why is my peanut brittle gooey? ›

As we said, the biggest enemy to the longevity of your peanut brittle is moisture. Whether it's during the cooking, cooling, or storage process, moisture and humidity can ruin the best batch of brittle in minutes, leaving you with a soggy, sticky mess.

Why did my peanut butter fudge not get hard? ›

If you didn't reach the correct temperature during the cooking process, it might not set properly. Use a candy thermometer to ensure that you reach the recommended temperature. Overcooking or Undercooking:Solution: Cooking the fudge for too long or too short a time can affect its texture.

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