An Easy Homemade Peanut Brittle Recipe

Nothing says the holiday season like a batch of crunchy, golden peanut brittle. This easy homemade peanut brittle recipe is made in the microwave for a quick and hassle-free treat, inspired by my grandmother’s old fashioned peanut brittle. It’s a classic peanut brittle recipe with sweet, salty, and buttery crunch, perfect for gifting or sharing. The stovetop method is also included for traditional candy making!

This recipe holds a special place in my heart because it’s been lovingly adapted from my grandmother’s old fashioned peanut brittle recipe. Every year at Christmas, she’d make a big batch, filling the house with the sweet, buttery aroma of caramelized sugar and roasted peanuts. I remember how excited I’d be for my first piece—it always tasted delicious and marked the start of the holiday season.

Now, I’m thrilled to share this easy peanut brittle recipe with you, so you can create your own memories, just like I did as a child. It’s a true treasure among old fashioned recipes, and whether it’s your first time making peanut brittle or you’re a seasoned pro, this recipe is simple, nostalgic, and absolutely delightful.

I hope you enjoy this recipe! ❤️ If you give it a try, please let me know how it turned out for you in the comments section at the bottom of the page or share a pic of your om noms on Instagram and tag @dishesanddustbunnies! ❤️

What is Peanut Brittle?

Peanut brittle is a hard candy made with melted sugar, light corn syrup, and roasted peanuts, then infused with vanilla extract and butter for a rich, decadent flavor. The addition of baking soda reacts with the sugar mixture, creating a delightfully airy texture that’s absolutely delicious. Love peanut brittle? You’re in for a treat with this easy recipe!

Why This is an Easy Peanut Brittle Recipe

This version is considered an easy peanut brittle recipe because it’s made in the microwave, cutting down on time and effort without sacrificing flavor or texture. For those who prefer the traditional method, I’ve also included my grandmother’s classic stovetop instructions, so you can choose whichever approach works best for you!

How to Make Peanut Brittle

You can find the full recipe details, including ingredient amounts and the full instructions, in the recipe card at the bottom of this post. But first, here's a quick overview of how to make homemade peanut brittle from scratch using the microwave!

This easy homemade peanut brittle recipe comes together in just a few simple steps. Combine sugar and light corn syrup in a microwave-safe bowl and cook in intervals, stirring in peanuts, butter, and vanilla along the way. The secret ingredient? Baking soda—it makes the brittle light and crispy. Immediately pour the mixture onto a rimmed baking sheet lined with parchment paper, let it cool completely, and enjoy a perfectly crunchy treat with minimal effort!

If you prefer a more traditional approach, the recipe card at the bottom of the page also includes instructions for my grandmother’s classic stovetop method.

What to Do If You’re Using Salted Butter

If you only have salted butter on hand, don’t worry—you can still make the best peanut brittle! Salted butter can enhance the savory notes in your peanut brittle, making it even more irresistible. Simply reduce or omit any added salt from the recipe to balance the flavors. However, be sure to taste your salted peanuts beforehand; if they’re already salted, you may want to choose unsalted butter instead to prevent overpowering the sweetness of the candy.

Remember, candy making is all about balance. A touch of salt in your peanut brittle helps highlight its sweet and nutty flavors, but too much can detract from the delicate caramelized sugar mixture. Adjust the seasoning carefully, and you’ll have a peanut brittle that’s absolutely delicious.

Tips for Candy Making

For the Microwave Method

• Use a microwave-safe bowl that can withstand high heat, such as glass or ceramic.
• Stir thoroughly after each microwave interval to ensure even cooking and avoid hot spots.
• Line your baking sheet with parchment paper ahead of time so you’re ready to pour the brittle as soon as it’s done cooking.
• Be careful when handling the hot bowl and mixture—oven mitts are essential.

For the Traditional Stovetop Method

• Have your baking sheet lined with parchment paper before starting, as the brittle sets quickly once it’s poured.
• A candy thermometer is crucial to ensure the sugar mixture reaches 300°F (hard crack stage).
• Stir with a wooden spoon while dissolving the sugar to prevent scorching, but avoid stirring once it starts to boil to prevent crystallization.

FAQs About Peanut Brittle

Why didn’t my peanut brittle get hard?

• If using the microwave method, it may not have cooked long enough at each stage. Ensure the mixture is bubbling and golden before proceeding.
• For the stovetop method, the sugar mixture may not have reached 300°F. Use a candy thermometer for precise results.

Why is my peanut brittle not crunchy?

• Undercooking is the most common reason. For the microwave, ensure you follow the recommended times. For the stovetop, make sure the sugar mixture reaches the hard crack stage (300°F).

Can I use dark corn syrup instead of light?

• Yes, you can use dark corn syrup in either method. It will give the peanut brittle a deeper, molasses-like flavor that adds a different twist to the recipe.

Storage and Serving Suggestions

Store peanut brittle in an airtight container at room temperature for up to two weeks to maintain its crisp texture. Be sure to keep it in a cool, dry place, away from moisture or humidity, which can make it sticky or soft. Refrigeration is not necessary and can sometimes cause the brittle to absorb moisture, which affects its crunchiness.

If you'd like to make peanut brittle ahead of time, you can freeze it for longer storage. Wrap the pieces tightly in wax paper or parchment and store them in a freezer-safe airtight container for up to three months. When ready to enjoy, allow the brittle to come to room temperature while still wrapped to prevent condensation from forming on the candy.

Serve your peanut brittle alongside a warm cup of cocoa, crumble it over ice cream for a delightful topping, or package it up in festive bags for a thoughtful holiday gift. Whether snacking or gifting, this treat is always a hit!