Peanut Brittle (Easiest Microwave Recipe!) - Cooking Classy (2024)

Published December 10, 2018. Updated December 20, 2020

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The easiest Peanut Brittle recipe you’ll ever make! This version is made in the microwave and it’s practically foolproof. It’s made with basic ingredients and everyone is sure to love it! It has a perfectly crips texture and an irresistible nutty, caramel-like flavor.

Peanut Brittle (Easiest Microwave Recipe!) - Cooking Classy (1)

Easy Homemade Peanut Brittle

You wouldn’t believe how easy it is to make this Microwave Peanut Brittle. Not only that but it hasthe perfect texture and it tastes delicious! No one will even know you made it in the microwave.

It will make a perfect last minute gift for that friend or neighbor on you list, or for yourself of course :)!

If you like your peanut brittle to have more of the meltaway effect, I like to spread as little as possible so it’s lightand crisp. If you like it more of the traditional way just spread it out thin. Either way you are going to love this!

Merry Christmas week everyone!

Ingredients for Peanut Brittle

  • Granulated sugar
  • Light corn syrup
  • Salted peanuts (unsalted works too just wait to add 1/4 tsp salt at the end with baking soda)
  • Butter
  • Vanilla
  • Baking soda

Peanut Brittle (Easiest Microwave Recipe!) - Cooking Classy (2)

How to Make Microwave Peanut Brittle

For directions visit allrecipes.com.

Peanut Brittle (Easiest Microwave Recipe!) - Cooking Classy (3)

Peanut Brittle (Easiest Microwave Recipe!) - Cooking Classy (4)

  • Cook times may vary slightly depending on microwave wattage. Watch for a golden brown color near the end.
  • Reviewers have mentioned trouble with this recipe in recent years. I believe this is due to microwaves being made with higher wattages.
  • Newer higher wattage microwave should have 30 seconds cut from each cook time.
  • Note that the less you spread the lighter the brittle will be, or more air bubbles it will have, so if you prefer it like so then do as little spreading as possible. If you prefer it flatter then spread it out thin.

Peanut Brittle (Easiest Microwave Recipe!) - Cooking Classy (5)

Peanut Brittle (Easiest Microwave Recipe!) - Cooking Classy (6)

Peanut Brittle (Easiest Microwave Recipe!) - Cooking Classy (7)

More Delicious Easy Treats You’ll Love!

  • Microwave Caramels
  • Oreo Truffles
  • Pretzel Turtles
  • Salted Chocolate Almond Clusters
  • Sweet and Sticky Chex Mix

Peanut Brittle (Easiest Microwave Recipe!) - Cooking Classy (8)

16 Quick & Easy 30 Minute Recipes! (plus weekly recipe updates)

Microwave Peanut Brittle

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The easiest Peanut Brittle recipe you'll ever make! This version is made in the microwave and it's practically foolproof. It's made with basic ingredients and everyone is sure to love it! It has a perfectly crips texture and an irresistible nutty, caramel-like flavor.

Servings: 20

Prep10 minutes minutes

Cook9 minutes minutes

Ready in: 19 minutes minutes

Ingredients

Instructions

Notes

  • Cook times may vary slightly depending on microwave wattage. Watch for a golden brown color near the end.
  • Reviewers have mentioned trouble with this recipe in recent years. I believe this is due to microwaves being made with higher wattages.
  • Newer higher wattage microwave should have 30 seconds cut from each cook time.
  • Note that the less you spread the lighter the brittle will be, or more air bubbles it will have, so if you prefer it like so then do as little spreading as possible. If you prefer it flatter then spread it out thin.

Nutrition Facts

Microwave Peanut Brittle

Amount Per Serving

Calories 111Calories from Fat 36

% Daily Value*

Fat 4g6%

Cholesterol 1mg0%

Sodium 102mg4%

Potassium 48mg1%

Carbohydrates 18g6%

Sugar 16g18%

Protein 1g2%

Vitamin A 20IU0%

Calcium 5mg1%

Iron 0.2mg1%

* Percent Daily Values are based on a 2000 calorie diet.

Nutrition values are estimates only. See full disclaimer here.

Course: Treat

Cuisine: American

Keyword: Peanut Brittle

Author: Jaclyn

Categorized:

  • Christmas
  • Treats and Snacks

Tagged:

  • butter
  • corn syrup
  • peanuts
  • sugar
  • vanilla extract

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143 Comments

  • Jona Thomas

    This was by far the best peanut brittle I have ever had in my life!

  • Patricia

    When I stayed with the recipe for your peanut butter I found that it was very close to burning.Can you tell me what the the wattage should be , I have a new microwave and have no idea what temperature I should cook it at ,my microwave is 1200 watts and not sure if I need to cook it at 5-6-7 power to get results.Would love to hear from you ,have made peanut brittle before with great results but that was with an old micro. Thank you so much for your time, Patricia

  • Liz

    This is a great recipe but I recommend adding 1/4 cup water to the sugar and corn syrup.

  • Kimberly S Boxer

    So easy and great; I find myself making a batch every week or two. Have you ever tried it with Brown Sugar or Honey?

  • Carolyn parker

    Can this recipie be doubled

    • Jaclyn

      Peanut Brittle (Easiest Microwave Recipe!) - Cooking Classy (14)

      Unfortunately no I don’t recommend doubling.

  • Marilyn

    Can you please tell me what containers are safe to make this recipe in because it’s obviously a high temp recipe. I’d had a hard plastic container that said it’s microwave safe but it started to melt. Glass can explode so any advice will be greatly appreciated.

    • Jaclyn

      Peanut Brittle (Easiest Microwave Recipe!) - Cooking Classy (15)

      This is a difficult question and that’s why I’ve redirected to All Recipes where I got the recipe from because I don’t know the safety on this. I believe pyrex is microwave safe to high temperatures but I would refer to their website or help center. Some glass bowls these days aren’t made as well so I definitely recommend checking with the manufacturer for safety precautions.

      • Jo Ann Campbell

        I just researched that very same thing. I have a Pyrex bowl from the 70’s and about to try it. The information I found said the bowl can withstand 450 degrees.

    • Kimberly S Boxer

      I got a anchor hocking bowl with a handle from Wayfair since I didn’t have a bowl big or sturdy enough.

More Comments

Peanut Brittle (Easiest Microwave Recipe!) - Cooking Classy (2024)

FAQs

Why is my microwave peanut brittle chewy? ›

No, you should not use baking powder instead of baking soda in peanut brittle. Baking powder is not as strong as baking soda and will not produce the same results. Peanut brittle made with baking powder will be dense and chewy, instead of light and crunchy.

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.

What does baking soda do 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 crisp? ›

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.

Why is my peanut brittle like taffy? ›

Didn't get it hot enough. You have to hit hard crack stage heat or it's not going to harden. From internet: Hard-Crack Stage is a cooking term meaning that a sugar syrup being heated has reached 149 – 154 C (300 – 310 F.) It is a test of how hot a sugar syrup is, and of how much water is left in it.

Why does my homemade peanut brittle stick to my teeth? ›

It's what's missing — corn syrup. A common brittle ingredient, Asare said, corn syrup causes brittle to go all gooey, gummy and tooth-clingy as it melts in your mouth, whereas sugar crunches, crumbles and dissolves.

How do you keep moisture out of peanut brittle? ›

#1 - Store in an airtight container

Keeping air out helps maintain your brittle's freshness by minimizing the amount of moisture that might come into contact with your sweet treat. In terms of material for your containers, it is totally up to your preference.

How can I fix my peanut brittle? ›

You can try placing the stale peanut brittle on a baking sheet and gently heating it in an oven at a low temperature, around 250°F (120°C), for a few minutes. This can help to soften it a bit and restore some of its original texture.

Can you use parchment paper when making peanut brittle? ›

You will want the cookie sheet to be non-stick. Use parchment paper, a silicone baking sheet or a greased cookie sheet. Spread the peanut brittle as thin as you can. Immediately add your sea salt.

Is peanut brittle good for you? ›

Peanut brittle has one redeeming quality: peanuts. Outside of that single ingredient, peanut brittle is painfully unhealthy. It contains: sugar, corn syrup, and butter, all of which are unhealthy for your body in different ways.

How Long Will homemade peanut brittle keep? ›

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.

Why is my peanut brittle bitter? ›

Those other liquid sugars have impurities that will burn at the higher temperature of making caramel, leading to a bitter-tasting brittle.

Why is my peanut brittle not airy? ›

To keep the brittle light and airy, do not spread or flatten the mixture.

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.

Why did my peanut brittle come out chewy? ›

Why did my peanut brittle turn out chewy? The likely cause is that the sugar mixture didn't reach the proper hard crack stage temperature. Ensuring it reaches 300˚F is key to getting that classic brittle texture.

Why does microwave make food chewy? ›

When one of those sugar molecules reaches 212 degrees Fahrenheit, it melts, which softens it. This is why bread can actually feel soft and fluffy when it first comes out of the microwave. But then when it cools, that molecule recrystallizes and hardens, causing the bread to become chewy and hard.

How to make peanut brittle hard again? ›

Reviving stale peanut brittle is possible to some extent. You can try placing the stale peanut brittle on a baking sheet and gently heating it in an oven at a low temperature, around 250°F (120°C), for a few minutes.

Why did my toffee turn out chewy? ›

Low and slow. Simmering the syrup for English toffee to the requisite 300°F temperature can (and should) be a slow process — up to 20 minutes or so. Don't hurry this gradual transformation; syrup that doesn't reach 300°F, or close to it, will make candy with timid flavor and chewy (not crunchy) texture.

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