The Best Microwave Peanut Brittle

Easy, delicious Microwave Peanut Brittle recipe ready in 10 minutes! Enjoy for the holidays or give as a gift.

Peanut Brittle: made in the microwave in TEN minutes! #candy

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Yes. Peanut Brittle in the microwave.

My mom makes this every year at Christmas. Then it occurred to me, it’s the perfect holiday candy. No stove top. No oven. And, no big mess. Just one bowl in the microwave! Ready in ten minutes!

I love going to candy shops on vacation and trying the homemade brittle recipes and fudge flavors. Today’s recipe for The Best Microwave Peanut Brittle is just as good as any fancy candy shop!

Rich, golden brown peanut brittle is the perfect sweet and salty treat!

How to make Peanut Brittle in the Microwave

Start by laying a piece of parchment paper over a large baking sheet. Set this aside.

In a large glass bowl, that is safe for the microwave, add sugar and corn syrup. Microwave (on power level 7) for 4 minutes. (my microwave is 1500 watt)

Remove bowl (with hot pads) and stir in peanuts using a wooden spoon or rubber spatula. Return to the microwave and cook an additional 3 1/2 minutes on power level 7.

Remove (with hot pads) and stir in butter and vanilla extract. Return to microwave and cook an additional 1 1/2 minutes on power level 7.

Remove (with hot pads) and stir in vanilla and baking soda. Mix until light and foamy and immediately pour over parchment paper and spread to desired thickness, working quickly.

Allow peanut brittle to set and harden at room temperature (about 2 hours). Break into pieces and enjoy.

Peanut Brittle: made in the microwave in TEN minutes! #candy

A few tips about making this Peanut Brittle recipe

The bowl gets very hot. You’ll see I recommend using hot pads. Learn from my mistake and always use them.

I use dry roasted, lightly salted peanuts (no skins). You can also try switching it up and make this Cashew Brittle too. 

Finally, clean up. The brittle hardens in the glass bowl very quickly. Fill with HOT water and allow to soak until you can scrub it off.

Make Peanut Brittle on the Stove Top

Yes, you can also make this on the stove top if you prefer.

Line your baking sheet with parchment paper like above.

Using a heavy 2 quart saucepan over high heat, bring to a boil the sugar, corn syrup, and add 1/4 cup water.

Stir until sugar is dissolved and mixture is boiling. Reduce heat to medium.

Stir in peanuts. Set a candy thermometer in place, and continue cooking until temperature reaches 300 degrees F (or until a small amount of mixture dropped into very cold water separates into hard and brittle threads.

Remove from heat and immediately stir in butter, vanilla, and baking soda. Pour onto baking sheet and spread to desired thickness. Break into pieces when completely cooled.

Peanut Brittle: made in the microwave in TEN minutes! #candy

What you’ll need to make Microwave peanut brittle

  • Large microwavable bowl (glass works best)
  • Wooden Spoon
  • Measuring Cup and spoon
  • Baking sheet with parchment paper or silpat
  • Granulated sugar
  • 1/2 cup light corn syrup
  • Peanuts, dry roasted, salted (not spanish peanuts)
  • Unsalted butter
  • Vanilla extract
  • Baking soda

More delicious, easy candy recipes

If you love Caramel deLites or Samoa Girl Scout Cookies, then these easy Samoa Truffles are going to drive your taste buds crazy!

Rich, decadent, copycat Fannie May Fudge. It’s the perfect chocolate fudge recipe for any time of year, no candy thermometer needed!

If you’ve never tried Saltine Toffee, now is the time! Crispy, buttery toffee with crackers, pecans and chocolate. So easy to make, too!

Looking for the easiest fudge recipe? Today’s Easy Rocky Road Fudge is your answer. And it’s absolutely delicious too!

Nobody will guess that this sweet toffee starts with graham crackers. Brickle Bars are the next best thing to homemade candy!

Easy microwave peanut brittle recipe

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Microwave Peanut Brittle

Microwave Peanut Brittle
Prep Time 2 minutes
Cook Time 9 minutes

Easy, delicious Microwave Peanut Brittle recipe ready in 10 minutes! Enjoy for the holidays or give as a gift.


  • 1 cup granulated sugar
  • 1/2 cup light corn syrup
  • 1 cup peanuts, dry roasted, salted
  • 1 teaspoon unsalted butter
  • 1 teaspoon pure vanilla extract
  • 1 teaspoon baking soda


  1. Lay a piece of parchment paper over a large cookie sheet. Set aside.
  2. Combine sugar and corn syrup in a 2qt. glass bowl. Microwave (on power level  7) for 4 minutes.  {I use a 1500watt microwave}
  3. Remove and stir in peanuts quickly using a rubber spatula or wooden spoon. Return to microwave and heat for 3 ½ minutes (on power level 7).
  4. Remove and stir in butter and vanilla extract. Return to microwave for an additional 1 ½ minutes (on power level  7).
  5. Remove and stir in baking soda, mixing until light and foamy. Pour over parchment paper and spread to desired thickness, working quickly.
  6. Allow peanut brittle to set and harden at room temperature (about 2 hours). Break into desired sized pieces and store in an airtight container for up to one week.

Recipe originally posted on June 10, 2013


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40 comments on “The Best Microwave Peanut Brittle”

  1. When I made my 7 Min Microwave Caramels, I reallllllly wanted to blog about the micro Peanut Brittle I make but never did and now seeing yours reminds me of how much I love the stuff. Yours is gorgeous!

  2. I make microwave brittle all the time. One thing I have to watch in the summer with brittle is the humidity. It’s turns all chewy and sticky instead of crispy and crunchy in just a few minutes if it’s left out. That’s probably not as much of a worry if you’re not in the South, though.

  3. I need to try this, Aimee. I’m convinced that I am just not destined to make peanut brittle. I’ve failed horribly at making it every time I’ve tried (probably 4-5 times). The microwave version sounds like it just might work for me!

  4. I haven’t had peanut brittle in years! Great summer treat for the kids! It is so going on our bucket list!

  5. I love peanut brittle but I’ve never tried making it myself- I just wouldn’t know where to begin! Although, with this fast and easy recipe I might just have to try it!

  6. I love peanut brittle but always forget about eating any time but Christmas. Good thing I can whip some up pretty darn quickly!

  7. No way, this is amazing! My mom is a nut (har har) for peanut brittle, and I’ve got to show this to her! Great recipe, Aimee.

  8. Seriously?? Now you’re just making it too easy…I won’t be able to stop! 😉

  9. Love how easy this is! I’m gonna have to try it for sure.

  10. Aimee, you are one dangerous woman! And, I love it. Thanks for sharing! xo

  11. nessa

    This looks really good Aimee!

  12. Definitely perfect to have a microwave recipe for the summer! I am all over this one. Yum!

  13. I’ve never made peanut brittle before. I had no idea it could be made in the microwave! That’s awesome and you’re right, the perfect summer treat!

  14. Now this I just have to try! Too easy not too! Pinning!

  15. That looks so good, Aimee! So easy, I need to make some now 🙂

  16. I’ve never made peanut brittle in the summer, but it makes perfect sense! I’m all for not heating up the house!

  17. I’ve never made peanut brittle before…this sounds so easy and I already have all the ingredients! Definitely must try. 🙂

  18. This sounds so easy and yummy! Definitely going on my to-do list! Thanks Aimee : )


  19. Great idea! Peanut Brittle is something I’ve never bothered to try making, assuming that it would be too much effort. But now I have no excuse!

  20. Oh this is so great! I love peanut brittle 🙂

  21. That is awesome! I’ll have to try this out. 🙂

  22. Can’t wait to make this! It looks so easy and delicious! Thanks!!

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  25. Lisa

    I have an older microwave and I am not sure of the wattage. It also doesn’t have the option of setting a power level. What would you suggest for timing?

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  27. Cindy

    Aimee I was just wondering, you say power level 7 on your 1500 watt microwave. Would that be the same for a 1200 watt?

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  29. Andrea Johnston

    Is power level 7 the same as high or 100% power?

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