Easy Microwave Peanut Brittle: Quick Recipe for Delicious Homemade Treats

Last Updated: June 22, 2026By Tags: , , , , , , ,



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Microwave Peanut Brittle: A Quick and Easy Treat

Peanut brittle is a classic confectionery that evokes nostalgia for many. With its delightful crunch and sweet, nutty flavour, it’s a treat that is often reserved for festive occasions or family gatherings. However, making traditional peanut brittle can be time-consuming and requires precision, with exact temperatures necessary for perfect results. Luckily, the microwave has revolutionised this process, allowing you to whip up a batch of delicious peanut brittle in no time.

Ingredients

To make microwave peanut brittle, you will need the following ingredients:

  • 1 cup (200g) of granulated sugar
  • 1/2 cup (120ml) of light corn syrup
  • 1 cup (150g) of raw peanuts (unsalted)
  • 1 tablespoon (14g) of unsalted butter
  • 1 teaspoon of vanilla extract
  • 1/2 teaspoon of baking soda
  • A pinch of salt

Equipment

You will need:

  • A microwave-safe bowl
  • A baking tray lined with parchment paper
  • A spatula or wooden spoon
  • A candy thermometer (optional, but helpful)

Method

  1. Prepare the Baking Tray: Start by lining a baking tray with parchment paper, ensuring the surface is smooth and well covered. This prevents the peanut brittle from sticking and makes for easy removal once set.

  2. Mix Sugar and Syrup: In a large microwave-safe bowl, combine the granulated sugar and light corn syrup. Stir them together until fully combined.

  3. Microwave the Mixture: Place the bowl in the microwave and heat the sugar and syrup mixture on high for 3–5 minutes. Keep a close eye on it, as microwaves can vary in power. You want the mixture to come to a boil and turn a light amber colour. This process usually takes around 4 minutes. If you have a candy thermometer, aim for a temperature of about 140°C.

  4. Add Peanuts: Once the mixture has reached the desired consistency, carefully remove it from the microwave. The bowl will be extremely hot, so use oven mitts. Stir in the raw peanuts, ensuring they are well coated.

  5. Finish the Mixture: Next, add the butter, vanilla extract, baking soda, and a pinch of salt. Be cautious, as the mixture may bubble vigorously when adding these ingredients. Stir everything together until well combined; the mixture will become foamy as you mix in the baking soda.

  6. Spread the Brittle: Immediately pour the mixture onto your prepared baking tray. Using a spatula or wooden spoon, spread it out into an even layer. The brittle will begin to set quickly, so work efficiently.

  7. Cool and Break: Allow the peanut brittle to cool completely at room temperature, which should take about 30 minutes. Once cooled, break it into pieces of your desired size.

Storing Your Peanut Brittle

Store your microwave peanut brittle in an airtight container at room temperature. It should stay fresh for up to two weeks, although it’s unlikely to last that long once family and friends get their hands on it!

Tips for Success

  • Make sure your bowl is large enough to accommodate the mixture as it bubbles up.
  • If you prefer a slightly less sweet flavor, consider reducing the sugar by a couple of tablespoons.
  • For added flair, you can experiment with flavours by adding a dash of cinnamon or even a sprinkle of sea salt on top before it fully cools.

Conclusion

Microwave peanut brittle is a perfect example of how modern cooking techniques can make classic recipes accessible and uncomplicated. This quick method allows you to enjoy homemade peanut brittle without the fuss of traditional candy-making methods. So, whether you’re looking for a sweet gift, a party favour, or just a treat for yourself, this delightful peanut brittle is sure to satisfy your cravings. Happy cooking!


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