How to Make Peanut Brittle

Last updated on Nov 5, 2026
Jason Kurtz

Peanut brittle is a popular treat made from roasted peanuts. Commonly found in candy stores, confectionary shops, and bakeries, it is traditionally served during the fall and winter. With a classic look and nostalgic flavor, it has appealed to generations. Peanut brittle traces its roots to the American South, where peanut farms are abundant, but its simple recipe is easy to follow and enjoyed worldwide. We'll outline what peanut brittle is, how to make it, and answer frequently asked questions about it so you can decide whether it belongs on your menu.

What Is Peanut Brittle?

homemade peanut brittle on a marble tray

Peanut brittle is a classic candy made by cooking sugar and corn syrup until they caramelize, then mixing in peanuts. As it cools, it becomes crisp and crunchy, giving it a signature brittle texture. The combination of sweet caramelized sugar and salty roasted peanuts complements each other, creating a rich, satisfying flavor. People often enjoy it as a snack, dessert, or homemade holiday treat, and it has been a popular confection in the United States for generations.

Peanut Brittle Recipe

Peanut brittle comes together quickly, using just a handful of ingredients and basic kitchen tools. Because it keeps well, you can make a large batch ahead of time and have it ready for your bakery case or dessert menu. Our easy recipe below works great as written, but feel free to resize it to suit your own tastes and needs.

Yield: 16-24 servings

Total time: 50 minutes

Peanut Brittle Ingredients

peanut brittle squares
  • 2 cups sugar
  • 2 cups peanuts
  • 1/2 cup corn syrup
  • 1/4 cup water
  • 4 Tablespoons. butter
  • 2 teaspoons baking soda

Equipment Needed

  • Large saucepan
  • Candy thermometer
  • Baking sheet

Instructions

  1. Combine sugar, corn syrup, and water in the saucepan over medium heat. Stir gently until the sugar dissolves.
  2. Add peanuts and cook until the contents reach 300 degrees Fahrenheit.
  3. Remove the pan from heat and mix in the butter and baking soda.
  4. Pour the mixture over the baking sheet. Use a spatula or spoon to spread it into a thin, consistent layer.
  5. Allow the mixture to cool until solid. Use your hands to break the brittle into pieces.

Peanut Brittle FAQ

crushed caramel peanut brittle used for toppings

Though the recipe is simple, there are still plenty of questions to answer about peanut brittle. Whether you're making it at home or featuring it on your menu, understanding the basics can help you enjoy it even more. We'll answer some of the most common questions about peanut brittle to help you learn everything you need to know.

How to Store Peanut Brittle in the Freezer

Peanut brittle can be frozen once it has been cooked, and it keeps for up to 4 months when stored correctly. A few careful steps will protect its crisp texture while it’s in the freezer.

  • Cool completely: Make sure the brittle is fully cooled before freezing it.
  • Use a freezer-safe bag: Place the brittle in a bag designed for freezer storage.
  • Layer with parchment paper: Put parchment between layers so the pieces don’t stick together.
  • Remove excess air: Press out as much air as possible before sealing the bag.
  • Freeze for up to 4 months: Stored this way, the brittle stays good for about 4 months.

Is Peanut Brittle Gluten-Free?

Yes, traditionally prepared peanut brittle is gluten-free. However, some recipes might include ingredients that contain wheat, barley, or rye, which can add gluten. Check the specific ingredients you use to make sure your peanut brittle is safe for customers with gluten-free diets, and make sure to take care during the cooking process to avoid cross-contamination with ingredients that contain gluten.

How to Store Peanut Brittle at Room Temperature

Homemade peanut brittle stays crisp for two to three weeks when stored properly, but it’s very sensitive to moisture. A few simple steps will keep it fresh and prevent it from turning sticky.

  • Cool completely first: Let the brittle reach room temperature before packing it, so no trapped warmth creates condensation.
  • Break into pieces: Snap it into manageable shards, which makes it easier to layer and store.
  • Separate with paper: Layer the pieces between sheets of wax or parchment paper so they don’t fuse.
  • Use an airtight container: A tight seal keeps out humidity, since brittle pieces readily absorb moisture from the air.
  • Choose a cool, dry spot: Store it away from heat, sunlight, and humidity, such as a pantry shelf.

Whether you’re stocking a bakery case or sharing a homemade batch with friends, its satisfying crunch and sweet-salty balance make it an easy crowd-pleaser. Once you’ve made it on your own, you’ll likely find yourself experimenting to put your own unique spin on it. However you choose to enjoy it, this timeless confection is sure to bring a little nostalgia to any occasion.

Jason Kurtz
Written by Jason Kurtz

Over his 5+ years with WebstaurantStore, Jason has spent countless hours learning, researching, and writing about the foodservice industry. With expertise in technical topics, he takes pride in helping customers and readers understand everything from troubleshooting their equipment to the fundamentals of starting a business.

Learn more about this author and WebstaurantStore's Content Writing Team here!

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