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 too hard? ›

Why is my microwave peanut brittle too hard? This is a common problem when the mixture gets too hot. This can happen if you cook it for too long.

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.

Why put baking soda in peanut brittle? ›

Baking soda is also very important at this stage since it reacts to the heat, creating carbon dioxide that aerates the caramel, enabling it to snap when someone bites into it rather than requiring them to gnaw at it until it breaks or pulls apart.

How to keep peanut brittle crunchy? ›

#1 - Store in an airtight container

It should come as no surprise that storing your peanut brittle in airtight containers is one of the best ways to store peanut brittle. Keeping air out helps maintain your brittle's freshness by minimizing the amount of moisture that might come into contact with your sweet treat.

What makes peanut brittle 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.

Can you use parchment paper when making peanut brittle? ›

You'll also want to prepare a baking sheet, with either a silicone mat or parchment paper. The mat/paper will help ensure the peanut brittle doesn't stick directly to pan once it has cooled.

Can you overcook peanut brittle? ›

If you overcook the brittle, it could be bitter or burnt. If you undercook it, the brittle won't properly set and the end result will be sticky.

Why is my peanut brittle not turning brown? ›

If your peanut brittle reached 311°F but is a pale milky color, it's likely the candy cooked too quickly.

How do you fix crumbly peanut brittle? ›

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. This can help to soften it a bit and restore some of its original texture.

Why do people put co*ke in peanuts? ›

History. The combination is believed to have developed in the South during the 1920s, as a snack for blue-collar workers that did not require them to wash their hands. It quickly became popular as a summer snack, especially in rural areas. The snack became an internet trend in 2018.

Why is my peanut brittle gooey? ›

What's important to know is that the corn syrup controls the grain of the brittle so adding too little and you have a grainy textured brittle, while adding too much will result in a stringy and sticky brittle.

Should you refrigerate peanut brittle? ›

To store: Store peanut brittle (once it's completely cooled) 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 doesn't my peanut brittle get hard? ›

If your peanut brittle is not hardening, it's because the sugar mixture did not get hot enough to properly caramelize, cool and become hard, crisp and crunchy. If you have this issue, next time, use a thermometer to make sure the peanut brittle mixture gets to 300°F.

Why did my peanut brittle crystallize? ›

With a higher number of micro-crystals, the sugar has more sites on which to crystallize, and so crystallization ultimately happens faster. Having said all of that — if you don't have a piece of stone, you can used a buttered rimmed baking sheet or one lined with a nonstick silicone baking sheet.

How to package peanut brittle? ›

Package up broken peanut brittle in cookie tins or wrapped up in candy cellophane for gifting during the holidays. Or large covered mason or French canning jars are nice, as they are reusable and keep out moisture, which can make any candy sticky.

How do you soften peanut brittle? ›

Put it in a pan on low heat and very slowly melt it. Once it begins to melt you can increase the heat a bit. The trick to this is that you have to stir it constantly in order to keep the peanuts from burning. You're going to want to bring it back to 300F, then immediately pour into the prepared pan.

How do you soften hard peanuts? ›

Thoroughly rinse the raw unshelled peanuts in water. Put the water, salt, seasoning, peanuts in a large stockpot, bring to a boil: Cover and reduce the heat just enough to maintain a low boil. Boil for 2 to 3 hours or longer (some boil their peanuts all day), until peanuts reach desired level of softness.

Can you microwave peanut butter to make it soft? ›

Place the peanut butter in the microwave, and heat it for 30 seconds. Once the 30 seconds is up, stir the peanut butter to makes sure it's melting evenly. Place the peanut butter back in the microwave for another 30 seconds, and stir again. This will probably take a few rounds to get to your desired consistency.

How do you soften hard peanut butter? ›

When using peanut butter only, the key is heat. Peanut butter is naturally high in fat, but that fat is nearly solid at room temperature. In order to soften it up, you need some heat. In my case, I heated two tablespoons in a heat-proof bowl and then stirred like crazy.

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