Easy Homemade Peanut Brittle Recipe

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Easy, delicious Microwave Peanut Brittle recipe ready in 10 minutes! Old fashioned peanut brittle recipe made with simple ingredients in the microwave or on the stove top.

I love old fashioned candy recipes. Try my salted nut roll or almond bars for a delicious treat. Learn how to make fudge with my tips and tricks!

Peanut brittle broken into pieces on a parchment paper lined cookie sheet.
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Easy Recipe for Peanut Brittle

Making homemade candy doesn’t need to be hard. The only thing better than homemade candy, is EASY homemade candy.

Peanut brittle is a similar to English toffee with peanuts.

  • Made with simple ingredients.
  • Stays crunchy for weeks.
  • Perfect to give as Christmas gifts for the holiday season.
  • You can make it in the microwave in minutes or on the stovetop!

Broken pieces of peanut brittle are delicious on my homemade vanilla ice cream too!

For more homemade Christmas candy, try my Christmas crack or homemade kit kat recipe next!

Ingredient Notes

Ingredients needed to make homemade peanut brittle.

To make the best peanut brittle, you’ll need just 6 simple ingredients from your pantry and fridge. Be sure to scroll down all the way to the recipe card to see measurements.

  • Butter- salted butter or unsalted butter works great in this sweet and salty treat.
  • Dry roasted peanuts– I prefer the lightly salted variety. But you can swap them out for raw peanuts and cashews and make cashew brittle too!
  • Light Corn Syrup– adds sweetness and ensures that the texture of the candy does not turn grainy.
  • Vanilla Extract- choose pure vanilla extract or make a batch of my homemade vanilla extract for best flavor!
  • Baking soda– adds air bubbles to the brittle, creating the perfect texture!

How to Make Peanut Brittle

Step by step photos showing how to make homemade peanut brittle.

Be sure to scroll to the recipe card below to see step by step tutorial.

To make peanut brittle in the microwave, you’ll combine sugar and corn syrup in a glass bowl. From there, you’ll heat and stir, heat and stir, then add remaining ingredients.

Making this easy homemade peanut brittle recipe involves a couple of tips for success:

  • The bowl gets very hot. You’ll see I recommend using hot pads. Learn from my mistake and always use them.
  • 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.
  • Store peanut brittle in a ziploc bag or airtight container at room temperature for up to three weeks. I prefer not to freeze brittle as it changes the texture and makes it chewy not crunchy.
Peanut brittle stacked on top of eachother.

Make Peanut Brittle on the Stove Top

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

  1. Line your baking sheet with parchment paper like above.
  2. Using a heavy 2 quart saucepan over medium-high heat, bring to a boil the sugar, corn syrup, and add 1/4 cup water.
  3. Stir until sugar mixture is dissolved and boiling. Reduce to medium heat.
  4. Stir in peanuts. Place a candy thermometer in the mixture. Keep cooking until the temperature reaches 300 degrees F.
  5. You can also check by dropping a small amount into cold water. If it separates into hard and brittle threads, it is ready.
  6. Remove from heat and immediately stir in butter, vanilla, and baking soda. Pour onto baking sheet pan and spread into a thin layer or to desired thickness. Break into pieces when completely cooled.
Bite of peanut brittle showing peanuts.

Recipe FAQs

Why is my peanut brittle not crunchy?

Peanut brittle may not reach the crunchy state if you do not cook it long enough or if you do not add the baking soda. Also be sure when storing there is no moisture in the container.

How do I clean the peanut brittle bowl?

If your brittle gets stuck in the bowl, add water to the bowl and microwave it for 1 to 2 minutes. This will help soften the brittle so you can scrub it off.

What does baking powder do to brittle?

Adding baking powder to the peanut brittle is key to releasing tiny air bubbles into the candy. This helps create the perfect texture.

More Sweet Treat Recipes

  • If you love Caramel deLites or Samoa Girl Scout Cookies, you will love these easy Samoa Truffles! They will make your taste buds go wild!
  • Rich, decadent, copycat Fannie May Fudge. 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.
  • Nobody will guess that this sweet toffee starts with graham crackers. Brickle Bars are the next best thing to homemade candy!

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Microwave Peanut Brittle Recipe

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By: Aimee
Easy, delicious Microwave Peanut Brittle recipe ready in 10 minutes! Old fashioned candy made with simple ingredients in the microwave or on the stove top.
Prep Time: 2 minutes
Cook Time: 9 minutes
Total Time: 11 minutes
Servings: 24 pieces

Ingredients 

  • 1 cup granulated sugar
  • ½ cup light corn syrup
  • 1 cup peanuts dry roasted, salted
  • 1 teaspoon unsalted butter
  • 1 teaspoon pure vanilla extract
  • 1 teaspoon baking soda
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Instructions 

  • Lay a piece of parchment paper over a large cookie sheet. Set aside.
  • Combine sugar and corn syrup in a 2qt. glass bowl. Microwave (on power level  7) for 4 minutes.  {I use a 1500watt microwave}
  • 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).
  • Remove and stir in butter and vanilla extract. Return to microwave for an additional 1 ½ minutes (on power level  7).
  • Remove and stir in baking soda, mixing until light and foamy. 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 desired sized pieces and store in an airtight container for up to one week.

Notes

  • The bowl gets very hot. You’ll see I recommend using hot pads. Learn from my mistake and always use them.
  • 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.
  • Store peanut brittle in an airtight container (or ziploc bag) at room temperature for up to three weeks. I prefer not to freeze brittle as it changes the texture and makes it chewy not crunchy.

Nutrition

Serving: 1piece, Calories: 90kcal, Carbohydrates: 15g, Protein: 1g, Fat: 3g, Saturated Fat: 1g, Polyunsaturated Fat: 2g, Sodium: 82mg, Fiber: 1g, Sugar: 14g
Course: Candy
Cuisine: American
Did you make this recipe?Mention @shugarysweets or tag #shugarysweets!
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About Aimee

Aimee is a dessert lover (specifically rice krispie treats), workout enthusiast, self-taught foodie, and recipe creator.

Learn more about Aimee.

Affiliate Disclosure:**There may be affiliate links in this post! By clicking on them, or purchasing recommended items I may receive a small compensation. However, I only recommend products I love! Thank you for supporting Shugary Sweets! See my disclosure policy for more info**

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Posted on June 16, 2022

Comments & Reviews

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

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

  3. 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!

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

  5. 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.

  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. 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!

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

  9. 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!

  10. 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.

    1. Oh that’s so true! I keep it my dining room, which is usually more “chill” than the rest of the house because it doesn’t get direct sun!

  11. 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!

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