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There’s something utterly magical about homemade candy, and the Microwave Peanut Brittle: Quick & Irresistible Sweet Treat Recipe is a shining example of how you can whip up a classic favorite in no time. This delightful snack boasts a perfect crackle, a rich buttery flavor, and just the right crunch from the roasted peanuts. Whether you’re looking for a last-minute gift idea, an after-dinner nibble, or simply a sweet craving cure, this recipe delivers an unforgettable treat that’s as simple as it is scrumptious.

Ingredients You’ll Need
Each ingredient in this recipe plays an essential role in building that signature brittle texture and flavor. From the golden sweetness of corn syrup to the nutty richness of peanuts, these basics come together to create a masterpiece that’s surprisingly simple yet incredibly delicious.
- 1 cup white sugar: Provides the fundamental sweetness and caramel base critical for that brittle crunch.
- 1/2 cup light corn syrup: Helps prevent crystallization, ensuring a smooth, glossy candy texture.
- 1 cup unsalted peanuts: Delivers the delightful crunch and nutty flavor that makes peanut brittle irresistible.
- 1 tablespoon butter: Adds richness and a luscious finish to the candy’s flavor profile.
- 1 teaspoon vanilla extract: Brings a warm, aromatic depth that rounds out the sugar’s sweetness.
- 1 teaspoon baking soda: Creates a light, airy texture, helping the brittle achieve its iconic crispness with tiny bubbles.
How to Make Microwave Peanut Brittle: Quick & Irresistible Sweet Treat Recipe
Step 1: Combine Sugar and Corn Syrup
Start by mixing the white sugar and light corn syrup in a microwave-safe bowl. This duo is the foundation of your brittle, and blending them here ensures even heating and caramelization throughout the cooking process.
Step 2: Microwave the Sugar Mixture
Heat the mixture on high for 5 minutes. This step transforms the sugars, softening them into a bubbling, golden caramel that’s key to the brittle’s texture. Keep a close eye on it to avoid burning, as microwave powers may vary.
Step 3: Add Peanuts and Continue Heating
Stir the crunchy unsalted peanuts into the hot sugar base, then microwave for an additional 3 and a half minutes. This step toasts the nuts just right while allowing them to soak up that luscious caramel flavor.
Step 4: Stir in Butter and Vanilla
Blend in the butter and vanilla extract, then microwave the mixture for another minute and a half. The butter melts effortlessly into the hot mix, enriching the flavor, while vanilla adds a delicate sweetness that makes every bite shine.
Step 5: Incorporate Baking Soda
Sprinkle the baking soda into your mixture and stir quickly. The baking soda reacts with the hot caramel, causing the mixture to lighten and bubble up beautifully. This foamy transformation is what gives your brittle its signature light, crunchy texture.
Step 6: Pour and Cool
Pour your bubbling caramel-nut mixture onto a greased baking sheet and spread it out evenly. Allow it to cool completely at room temperature, so the brittle sets up with that perfect snap.
Step 7: Break into Pieces and Enjoy!
Once cooled, simply break the brittle into rustic shards and savor your homemade masterpiece. Whether nibbling straight from the bowl or sharing with friends, you’ve got a quick and irresistible sweet treat in your hands.
How to Serve Microwave Peanut Brittle: Quick & Irresistible Sweet Treat Recipe

Garnishes
Sprinkling a pinch of sea salt on top right after pouring can bring out the buttery caramel notes beautifully. For an extra festive touch, try tossing in some crushed peppermint or a drizzle of bittersweet chocolate once the brittle begins to cool.
Side Dishes
Pair this brittle with a scoop of smooth vanilla ice cream for a delightful textural contrast. It also makes a fabulous complement to a warm cup of coffee or spiced chai, elevating your snack time into a cozy moment to savor.
Creative Ways to Present
Package your brittle shards in clear cellophane bags tied with rustic twine for a charming homemade gift. Or arrange pieces artfully on a decorative serving platter surrounded by fresh fruit or nuts to create an inviting dessert table centerpiece.
Make Ahead and Storage
Storing Leftovers
Store your peanut brittle in an airtight container at room temperature, where it will keep its crisp texture for up to two weeks. Avoid moisture to prevent sogginess, and keep it away from direct sunlight.
Freezing
If you want to keep your brittle fresh longer, wrap individual pieces in wax paper and place them in a freezer-safe bag. Frozen, your microwave peanut brittle will stay delicious for up to three months without losing its signature crunch.
Reheating
This brittle is best enjoyed as is, but if it loses some of its snap, briefly warming it in a low oven (about 250°F) for a few minutes can help restore that delightful crispness. Just be sure to cool it fully before handling again!
FAQs
Can I use roasted or salted peanuts instead of unsalted ones?
Yes, you can use roasted or salted peanuts, but be mindful of the salt content. Using salted peanuts might make the brittle saltier, so adjust additional seasoning accordingly.
Is it necessary to use baking soda in this recipe?
Absolutely! Baking soda aerates the candy mixture, creating tiny bubbles that result in the brittle’s classic light and crunchy texture. Without it, your brittle might turn out denser and harder to chew.
What if my brittle sticks to the baking sheet?
Greasing the baking sheet well before pouring the mixture prevents sticking. If some brittle does stick, letting it cool fully usually makes it easier to remove in chunks or shards.
Can I substitute corn syrup with honey or maple syrup?
While possible, substitutions may alter the texture and crystallization process of the brittle. Corn syrup is helpful in preventing sugar from crystallizing, so using honey or pure maple syrup might result in a grainier texture.
How do I know when the brittle is fully cooled?
The brittle is completely cooled when it hardens fully to a snap when broken. This usually takes about 30 minutes to an hour at room temperature, depending on the thickness of your brittles.
Final Thoughts
If you’ve been searching for a quick and satisfying homemade candy that doesn’t demand a candy thermometer or hours of attention, the Microwave Peanut Brittle: Quick & Irresistible Sweet Treat Recipe is your new best friend. It’s a warm hug in candy form that comes together fast, tastes amazing, and is perfect for sharing — or keeping all to yourself. Give it a try and watch how this simple recipe becomes an instant favorite in your kitchen and beyond!
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Microwave Peanut Brittle: Quick & Irresistible Sweet Treat Recipe
- Prep Time: 5 minutes
- Cook Time: 10 minutes
- Total Time: 15 minutes
- Yield: 8 servings
- Category: Dessert
- Method: Microwaving
- Cuisine: American
Description
This Microwave Peanut Brittle recipe offers a quick and easy way to create a delicious, crunchy sweet treat using just a few simple ingredients and your microwave. Perfect for satisfying your sweet tooth with minimal effort, this classic candy features roasted peanuts enveloped in a buttery, caramelized sugar coating that’s light and airy thanks to a touch of baking soda.
Ingredients
Ingredients
- 1 cup white sugar
- 1/2 cup light corn syrup
- 1 cup unsalted peanuts
- 1 tablespoon butter
- 1 teaspoon vanilla extract
- 1 teaspoon baking soda
Instructions
- Combine Sugar and Corn Syrup: In a microwave-safe bowl, mix together 1 cup of white sugar and 1/2 cup of light corn syrup until well combined.
- First Microwave Heating: Microwave the sugar and corn syrup mixture on high for 5 minutes to begin melting and caramelizing the sugars.
- Add Peanuts and Continue Heating: Stir in 1 cup of unsalted peanuts, then microwave again for an additional 3 1/2 minutes to roast the peanuts and further caramelize the mixture.
- Add Butter and Vanilla Extract: Stir in 1 tablespoon of butter and 1 teaspoon of vanilla extract, then microwave for another 1 1/2 minutes to blend flavors and melt the butter evenly.
- Add Baking Soda and Mix: Quickly add 1 teaspoon of baking soda to the hot mixture and stir rapidly until it becomes light and foamy, creating the brittle’s characteristic airy texture.
- Pour and Cool: Pour the foamy mixture onto a greased baking sheet, spreading it out into an even layer. Let it cool completely to harden.
- Break Into Pieces and Serve: Once fully cooled and hardened, break the brittle into bite-sized pieces and enjoy your homemade peanut brittle.
Notes
- Use a greased baking sheet or line with parchment paper to prevent sticking.
- Be careful when handling the hot sugar mixture to avoid burns.
- For variations, try adding a pinch of salt or use roasted peanuts for extra flavor.
- Store brittle in an airtight container to keep it fresh and crunchy.
- Microwave times may vary depending on the microwave wattage; monitor closely during cooking.

