Microwave Peanut Brittle Recipe (VIDEO) - Cleverly Simple (2024)

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By Lynette Rice | Published | 25 Comments

Easy microwave peanut brittle recipe that makes a crispy airy peanut brittle perfect for Christmas treats or a gift idea. This old fashioned homemade recipe is made in an 1100 watt microwave.

Microwave Peanut Brittle Recipe (VIDEO) - Cleverly Simple (1)

Peanut brittle! If you’ve never had it, you’re missing out. The sweetness, the crunch – the peanuts! This old fashioned peanut brittle recipe that you can make in the microwave is a family favorite! And it is so easy to make. You can wow your family – your friends – your kid’s teachers with a batch of this goodness.

Microwave Peanut Brittle Recipe (VIDEO) - Cleverly Simple (2)

This recipe has been made by my mom for decades. And this year I told her I wanted to make it as well. I don’t know why I thought that peanut brittle would be intimidating to make. With the microwave – it could not be easier! Using raw peanuts this recipe gives you the right amount of salty and sweet. Yum!

Table of Contents

How to Make Peanut Brittle In the Microwave

First, you need a 1100 watt microwave to have success with this recipe. If your microwave is not 1100 watts I can’t guarantee the results. So if your microwave is not 1100 watts go out and buy a new microwave. It will be worth it. Just kidding. Sort of. 🙂

Microwave Peanut Brittle Recipe (VIDEO) - Cleverly Simple (3)

In a 1.5 quart baking dish combine raw peanuts, sugar and light corn syrup. So many recipes out there say to use regular peanuts. Don’t do it. You need raw peanuts that will cook naturally as you make this recipe. You can find raw peanuts with skins in the produce section of your grocery store. They’re not with all the other peanuts. Why? Why!

Microwave Peanut Brittle Recipe (VIDEO) - Cleverly Simple (4)

Microwave at 70% power for 4 minutes and 25 seconds.

Stir like crazy.

Put it back in the microwave at 70% power and microwave for another four minutes.

Stir in the butter and vanilla.

Microwave for the last time at 70% power for two minutes.

Microwave Peanut Brittle Recipe (VIDEO) - Cleverly Simple (5)

Immediately add the baking soda and stir until the peanut brittle is foamy and light.

Microwave Peanut Brittle Recipe (VIDEO) - Cleverly Simple (6)

Pour onto a greased baking sheet. The brittle will naturally spread to about 1/4 inch thickness.

Microwave Peanut Brittle Recipe (VIDEO) - Cleverly Simple (7)

Let cool and break apart.

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How long does it take peanut brittle to cool?

It takes about 30 to 45 minutes to completely cool. Unless you’re like me and live in a drafty old farmhouse – you can cut that cooling time in half. 😉

Do I need a candy thermometer to make this recipe?

No. You can make this easy peanut brittle recipe without a candy thermometer because of the exact baking times in the microwave using a 1100 watt microwave at 70% heat.

How long does Peanut Brittle last?

You can store in an airtight container on the counter for up to 1 week or until you find it starts to taste stale.

I hope you enjoy this old fashioned homemade recipe that’s been adapted to the microwave! You get the same amazing results without the time and hassle of a vintage recipe. That’s winning in my book!

Enjoy!

Microwave Peanut Brittle Video

More Dessert Recipes for Gifts

  • Christmas Biscotti Cookies
  • The Best Gingerbread Cookies Recipe
  • Soft Peanut Butter Blossoms Recipe

Microwave Peanut Brittle Recipe (VIDEO) - Cleverly Simple (8)

Created by: Lynette Rice

Peanut Brittle Recipe


Course Dessert

Cuisine American

Prep Time 2 minutes minutes

Cook Time 10 minutes minutes

Servings 12

12

Easy microwave peanut brittle recipe that makes a crispy airy peanut brittle perfect for Christmas treats or a gift idea. This old-fashioned homemade recipe is made in an 1100 watt microwave.

Ingredients

  • 1 1/2 Cups raw peanuts with skins
  • 1 Cup granulated sugar
  • 1/2 Cup light corn syrup
  • 1 tsp butter
  • 1 tsp vanilla extract
  • 1 tsp baking soda

Instructions

**This recipe is based on an 1100-watt microwave.

  • Combine peanuts, sugar, and corn syrup in a 1 1/2 quart microwavable dish. Microwave for four minutes and 25 seconds at 70% power. Stir.

  • Microwave again for four minutes at 70% power. Add butter and vanilla and stir until combined.

  • Microwave for the final time at 70% power for 2 minutes. Add baking soda and quickly stir until foamy and light.

  • Spread onto greased baking sheet. Let spread until about 1/4 inch thick.

Video

Notes

If you don’t have a 1100 microwave you can adjust the power at which the microwave is on. You do not need to adjust the time. For example, my mom originally did the recipe with a 700 watt microwave at full power. The 1100 watt example is at 70%.

Nutrition

Serving: 1serving | Calories: 212kcal | Carbohydrates: 30g | Protein: 5g | Fat: 9g | Saturated Fat: 2g | Polyunsaturated Fat: 3g | Monounsaturated Fat: 4g | Trans Fat: 0.01g | Cholesterol: 1mg | Sodium: 107mg | Potassium: 137mg | Fiber: 2g | Sugar: 28g | Vitamin A: 10IU | Calcium: 21mg | Iron: 1mg

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    Comments & Reviews

  1. Microwave Peanut Brittle Recipe (VIDEO) - Cleverly Simple (9)BeckaBee says

    Microwave Peanut Brittle Recipe (VIDEO) - Cleverly Simple (10)
    Thank you for posting this! I also have an 1100w microwave, and this cooked up Perfectly! And just in time for the holidays!

    Reply

    • Microwave Peanut Brittle Recipe (VIDEO) - Cleverly Simple (11)Lynette Rice says

      Awesome! It is a great recipe!

      Reply

  2. Microwave Peanut Brittle Recipe (VIDEO) - Cleverly Simple (12)Eminana says

    Microwave Peanut Brittle Recipe (VIDEO) - Cleverly Simple (13)
    Made this this morning at 5am (7-3 nurses) and both batches came out excellent! Very fast and easy to make with very precise directions. We all enjoyed some with our coffee pre-shift and it’s a winner! Thank you!!

    Reply

    • Microwave Peanut Brittle Recipe (VIDEO) - Cleverly Simple (14)Lynette says

      Awesome! It is really such a fast and easy recipe – with great results!

      Reply

  3. Microwave Peanut Brittle Recipe (VIDEO) - Cleverly Simple (15)CATHERINE says

    Microwave Peanut Brittle Recipe (VIDEO) - Cleverly Simple (16)
    I made your brittle. After a couple of hours cooling It was still very soft so I put the tray in the refrigerator for several more hours. Finally about 4 hours later it was mostly hard enough to break up. Put it in a sealed container and in the morning I had one solid piece of brittle that was soft again. I’m at a loss, can i fix this??

    Reply

    • Microwave Peanut Brittle Recipe (VIDEO) - Cleverly Simple (17)Lynette says

      Hi Catherine, it sounds like your peanut brittle didn’t get to a high enough temperature. It would have become hard as it cools. Unfortunately, the batch you have cannot be fixed. Two things probably happened, either you accidentally missed a step in the timing so the peanut brittle didn’t get hot enough. Or if directions were followed exactly, then your microwave didn’t work correctly. This recipe is based on an 1100 watt microwave so any other wattage would have different results. I’m sorry I can’t be more help. I would try it again. I just made two batches of peanut brittle this week and had excellent results, so I would give it another go! Let me know how it goes and if you have any other questions.

      Reply

  4. Microwave Peanut Brittle Recipe (VIDEO) - Cleverly Simple (18)Pamela says

    I had a microwave peanut brittle recipe from years ago that I used all the time and the brittle came out perfect. Unfortunately, I lost it. The problem with these microwave brittle recipes is that most of them don’t list the recipe’s microwave wattage and I just overcooked a batch a few minutes ago and had to throw it out. Fortunately, I didn’t give up my search and happened to find this recipe for 1100 watt microwaves. Just want to let you know that with this recipe my brittle turned out perfect and delicious. Thank you so much!

    Reply

    • Microwave Peanut Brittle Recipe (VIDEO) - Cleverly Simple (19)Lynette says

      Yay! So glad you stumbled onto this recipe. The wattage does make a difference! Enjoy your peanut brittle. 🙂

      Reply

  5. Microwave Peanut Brittle Recipe (VIDEO) - Cleverly Simple (20)Madge Hribar says

    Microwave Peanut Brittle Recipe (VIDEO) - Cleverly Simple (21)
    i love been making the peanut brittle recipe since the ‘80s – was in the recipe book that came with my microwave! to ensure easy spreading of the brittle, i place my baking sheets in a warm oven. and, if making more than one batch, clean out the left over brittle in your bowl by using very hot water to melt it away. same for the spoon. dry the bowl and spoon and you are ready to go on the next batch.

    **peanut brittle does not set up well if making on a humid day. best to make when cold days are here.

    Reply

    • Microwave Peanut Brittle Recipe (VIDEO) - Cleverly Simple (22)Lynette says

      We’ve had lots of cold days! Just made this recipe again yesterday and love how easy it is. Great idea to warm the baking sheets. My kitchen can be cold and I did find it harder to spread. Thanks for the tips!

      Reply

    • Microwave Peanut Brittle Recipe (VIDEO) - Cleverly Simple (23)Terri says

      I got my recipe when I had a 725 watt microwave then I got a new on and it was an 1100 watt burned every batch. I can’t wait to try this one. I use two Correll bowls when one batch is done I use HOT water to clean out the other so I can keep them going. They make great Christmas gifts and they always ask for more. 😂

      Reply

  6. Microwave Peanut Brittle Recipe (VIDEO) - Cleverly Simple (24)Jessica Pinney says

    Microwave Peanut Brittle Recipe (VIDEO) - Cleverly Simple (25)
    Love the idea of making peanut brittle in the microwave, it’s just so simple! I would’ve never thought of it. Thanks for sharing!

    Reply

    • Microwave Peanut Brittle Recipe (VIDEO) - Cleverly Simple (26)Lynette says

      Yes, it does make it so much easier!

      Reply

  7. Microwave Peanut Brittle Recipe (VIDEO) - Cleverly Simple (27)Claire @ The Simple, Sweet Life says

    What perfect timing! How did you know I’ve been on the hunt for some peanut brittle with enough peanuts to make my grandpa happy? I can’t wait to show up to Christmas with this!

    Reply

  8. Microwave Peanut Brittle Recipe (VIDEO) - Cleverly Simple (28)Karyl | Karyl's Kulinary Krusade says

    I’ve been a little obsessed with peanut brittle lately, but had no clue you could make it so easily at home. I have no idea if my microwave is 1100 watts, but I’m gonna check it out ASAP…cause I need to make this at home!

    Reply

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Microwave Peanut Brittle Recipe (VIDEO) - Cleverly Simple (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.

What happens when you add baking soda 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 crispy? ›

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.

How to cook peanuts in microwave? ›

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.

Why won t my peanut brittle set? ›

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 did my peanut brittle turn white? ›

Peanut brittle turning white, often referred to as "sugaring," is typically the result of crystallization of the sugar in the candy. This crystallization can make the brittle appear white or cloudy rather than having a clear, glass-like consistency.

Can you overcook peanut brittle? ›

Use a candy thermometer!

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 baking soda used in brittle? ›

Baking soda releases bubbles into our candy (you can see this on a more extreme level in my honeycomb recipe, which uses 5x the amount of baking soda!). This makes the brittle more delicate, crisp, and less chewy, which ultimately makes it more snappy and less likely to obnoxiously stick to your teeth.

What does putting peanuts in co*ke do? ›

A more hands-on meal would mean a washing-up break, but simply pouring your peanuts into the co*ke bottle allowed for a protein boost that you could sip while working. Since then, the salty-sweet pairing of sugary co*ke and savory peanuts has spread across the South, from the Carolinas all the way to Texas.

Why is my peanut brittle bitter? ›

I don't recommend substituting honey, molasses, or agave for the corn syrup. Those other liquid sugars have impurities that will burn at the higher temperature of making caramel, leading to a bitter-tasting brittle.

Why does my peanut brittle have bubbles? ›

The secret is in the baking soda. As the sugar is cooking and begins turning amber in color it accumulates small amounts of acid, and that acid reacts chemically with the alkaline baking soda releasing about a zillion minuscule bubbles of CO2 that get trapped, making the sugar porous and, well… brittle.

How do you make peanut brittle hard again? ›

- Preheat your oven to a low temperature, around 250°F (120°C). - Break the stale peanut brittle into smaller pieces. - Place the brittle pieces on a baking sheet in a single layer. - Heat the brittle in the oven for about 5 to 10 minutes, checking frequently to avoid overcooking.

Why is my peanut brittle hard but sticky? ›

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.

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.

What happens when you put a jar of peanut butter in the microwave? ›

Microwave the jar on a 50% power setting for 45 seconds. Peanut butter is a peanut oil based product. It will melt and you can pour it out of the jar. Then, it will gel again.

How long does it take to melt a jar of peanut butter in the microwave? ›

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.

What makes peanut brittle too hard? ›

Why is it too hard? Using baking soda usually prevents peanut brittle from being too, well, brittle. However, if you cook the candy past the set temperature or overwork the candy once you spread it out onto the cookie sheet, that can cause it to become very hard and difficult to bite through.

What happens to peanut butter in the microwave? ›

Peanut butter can spark in the microwave due to the high oil content and the presence of small particles of peanuts or salt. These particles can act as tiny conductors of electricity, creating arcing, or sparks, when they are heated.

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