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 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.

Why is my microwave peanut brittle too hard? ›

Why is my peanut brittle too hard? Peanut brittle can end up too hard when the temperature gets too high during the cooking process. With a microwave peanut brittle recipe like this one, you may need to adjust the cooking times based on your microwave.

How to keep peanut brittle crunchy? ›

Once cooled and cracked, peanut brittle should be stored in an airtight container (it's okay to stack). Store in a cool dry place.

Why do you put water in peanut brittle? ›

Water: Water helps the sugar completely dissolve. Salt: A pinch of salt enhances the other flavors. If you opt for salted butter, you can skip this ingredient. Peanuts: Of course, you'll need peanuts for this classic treat!

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.

Why do people put co*ke in peanuts? ›

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 homemade 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.

What is the interfering agent in peanut brittle? ›

Examples of interfering agents include corn syrup and cream of tartar. A key step in making brittle is heating the syrup to the proper temperature.

How to cook peanuts in the microwave? ›

Microwave oven roasting: Pour peanuts into colander or wire basket and wet thoroughly. Sprinkle with salt. Pour into small microwave safe casserole or pie plate. Microwave for 2 1/2 minutes; stir, microwave 2 1/2 minutes longer.

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.

Why does peanut brittle stick to my teeth? ›

Second, it's not what's in the brittle. 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.

Why didn't my peanut brittle get hard? ›

If your peanut brittle never sets up hard, it means you didn't cook it to a high enough temperature. Make sure you cook it to the “hard crack” stage, between 298°F- 313°F, and swirl your thermometer probe around in the syrup to get an accurate read of the temperature.

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.

Should homemade peanut brittle be refrigerated? ›

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.

How long does it take for brittle to harden? ›

Carefully pour the hot mixture onto the prepared pan and use a knife or spoon to quickly (and carefully!) spread the mixture into an even layer. Allow to cool completely (at least 30 minute) before breaking apart and eating. Store the completely cooled peanut brittle in an airtight container.

How do you salvage soft peanut brittle? ›

I started on medium heat, but turned it down to a bit below medium. KEEP STIRRING. While it's still semi solid you MUST keep stirring or it WILL burn. I thought it was never going to turn into a liquid, but of course it did.

What makes brittle hard? ›

What Makes it Brittle? The sugar will be cooked to 300ºF (149ºC)—hard crack stage; which when set up would be hard like a lollipop. But peanut brittle is delicate and you can easily bite into it—how? The secret is in the baking soda.

Why are my peanuts not getting soft? ›

Dried peanuts may require boiling up to 24 hours until they soften. If your water is hard, full of minerals, or you are boiling at high altitude, then your boiling times for dried peanuts may be greater than 24 hours.

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