Easy Microwave Peanut Brittle Recipe (2024)

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4.94 from 15 votes

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Total Time: 15 minutes minutes

Published: November 15, 2022

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This Easy Microwave Peanut Brittle Recipe takes a delicious holiday treat and makes it easy by using the microwave. It’ll come out crunchy and with the perfect mixture of sweet and salty. You’ll never to back to stovetop!

If you’re looking for tasty holiday treats, check out my super easy Homemade English Toffee, 3-Ingredient Peppermint Bark, Churro Toffee (Disneyland copycat!), and Pecan Pie Roll-Ups.

Easy Microwave Peanut Brittle Recipe (1)

Why This Recipe Works

Sweet & Savory: One of the reasons why I love peanut brittle is that perfect combination of savory and sweet. The caramel, buttery flavor of the brittle along with the salty, nutty flavor of the peanuts just combines so perfectly. And with this easy microwave peanut brittle, you get all of that flavor made easy.

Simple: Anything that can be made in a microwave is just absolutely simple to make. Have you ever wondered how to make peanut brittle? This easy peanut brittle recipe can literally be made by anyone and it is so delicious and impressive! If you look at peanut brittle recipes and feel intimidated, don’t fret. This no thermometer brittle recipe makes things super easy without sacrificing any flavor.

Shareable: Something beautiful about this recipe is that you can whip up a bunch of it and share with friends and family as little holiday gifts! Wrap it up with a little bow, and they will absolutely love it.

Ingredients

Easy Microwave Peanut Brittle Recipe (2)
  • Dry Roasted Peanuts- Dry Roasted Peanuts are the best for this recipe. They are the perfect balance of salty and nutty!
  • Granulated Sugar– The brittle mixture is made of melted granulated sugar which can be perfectly melted in the microwave.
  • Light Corn Syrup– A little bit of light corn syrup is added for flavor and texture.
  • Salt– A bit of extra salt is good to balance the sweetness.
  • Vanilla Extract– Vanilla is added for extra flavor.
  • Butter– Butter makes the brittle creamier and more like caramel.
  • Baking Soda– A little bit of baking soda is added to make the brittle a bit fluffier. It will still be nice and crunchy!

Here’s How to Make It

Step by Step Instructions

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  1. Grease a baking sheet or line it with parchment paper and set aside. Pre-measure your ingredients and have them ready to go.
  2. In a microwave safe bowl, combine, sugar, and corn syrup. Microwave for 3 minutes, stirring halfway through.
  3. Stir in peanuts and microwave 3 minutes longer.
  4. Stir in butter, vanilla and salt and then microwave for 1 minute longer until mixture is a deep golden brown. Watch the mixture carefully at this step and make sure not to burn.
  5. Quickly stir in baking soda (just until mixture is foamy). Immediately pour the mixture onto a prepared baking sheet and spread as needed with a greased rubber spatula or spoon.
  6. Allow to cool for 15 minutes or until completely hardened. Break into pieces using a butter knife and enjoy your easy peanut brittle!
  7. Store any leftovers in an airtight container at room temperature for up to 10 days.
Easy Microwave Peanut Brittle Recipe (4)

Expert Tips

  • Be sure to pre-measure your ingredients before starting the process, as it will go fast and you’ll want everything to be ready!
  • Since every microwave is different, keep an eye on your mixture at each stage to make sure it isn’t burning.
  • This easy microwave peanut brittle recipe is versatile, so make it your own! You can add different nuts besides peanuts like almonds and cashews for a delicious nut brittle!
  • Drizzle the top with a chocolate drizzle for added flavor and sweetness!
Easy Microwave Peanut Brittle Recipe (5)

More Easy Dessert Recipes to Try

  • Scotcheroos
  • Easy No Bake Peanut Butter Bars
  • Sugar Cookie Bars
  • White Chocolate Cranberry Cookies
  • Raspberry Crumb Bars

Easy Microwave Peanut Brittle Recipe (6)

Easy Microwave Peanut Brittle

This Easy Microwave Peanut Brittle Recipe takes a delicious holiday treat and makes it easy by using the microwave. It'll come out crunchy and with the perfect mixture of sweet and salty. You'll never to back to stovetop!

4.94 from 15 votes

PrintPinRate

Prep Time: 5 minutes minutes

Cook Time: 10 minutes minutes

0 minutes minutes

Total Time: 15 minutes minutes

Servings: 8 servings

Ingredients

  • 1 cup dry roasted peanuts
  • 1 cup granulated sugar
  • ½ cup light corn syrup
  • ¼ teaspoon salt
  • 1 ½ teaspoons vanilla extract
  • 1 tablespoon butter
  • 1 teaspoon baking soda

Instructions

  • Grease a baking sheet and set aside. Pre-measure your ingredients and have them all ready to go.

  • In a microwave safe bowl, sugar, and corn syrup. Microwave for 3 minutes, stirring halfway through.

  • Stir in peanuts. Return to microwave for 3 minutes.

  • Stir in butter, vanilla and salt and then microwave for 1 minute longer until mixture is a deep golden brown. Watch the mixture carefully at this step and make sure not to burn.

  • Quickly stir in baking soda (just until mixture is foamy). Pour immediately onto greased baking sheet and spread as needed with a greased rubber spatula or spoon.

  • Allow cool 15 minutes or until hardened and cooled. Break into pieces (I just use a butter knife to crack it apart), and store in an airtight container at room temperature up to 10 days.

Notes

Microwave tip: newer microwaves tend to have higher wattage and therefore cook faster. Keep an eye on your peanut brittle mixture to be sure it doesn’t burn. Refer to photos for color matching.

Nutrition

Calories: 324 kcal, Carbohydrates: 48 g, Protein: 7 g, Fat: 14 g, Saturated Fat: 2 g, Cholesterol: 1 mg, Sodium: 380 mg, Potassium: 189 mg, Fiber: 2 g, Sugar: 43 g, Vitamin A: 3 IU, Calcium: 20 mg, Iron: 1 mg

Course: Dessert

Cuisine: American

Author: Tiffany

Did You Make This Recipe?Tag @cremedelacrumb1 on Instagram and hashtag it #cremedelacrumb!

Original recipe from here.

Easy Microwave Peanut Brittle Recipe (2024)

FAQs

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.

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 do 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.

Can you cook raw peanuts in the microwave? ›

Stir peanuts, microwave 2 minutes. Stir peanuts, microwave 30 seconds. Check to see if peanuts roasted (golden brown), if peanuts pale in color, continue in 30 second increments until roasted. Cool on baking sheet until completely cool, about 20 minutes - the peanuts will become crunchy as it cools.

Why did my peanut brittle turn out 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.

How to keep peanut brittle from getting 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.

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.

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.

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. It reached the correct temperature but didn't cook long enough to undergo sufficient Maillard reactions and develop the characteristic brown color and rich, roasted flavor. Next time, cook at a lower temperature.

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.

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 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 can't you put peanut butter in the microwave? ›

Peanut butter can burn quickly since it doesn't contain much water, and you'll want to make sure it doesn't stick to the bottom of your bowl.

Why do you have to soak peanuts before boiling them? ›

Soaking peanuts eight hours or overnight cuts the boiling time in half, to as little as two hours.

Can you eat raw peanuts without cooking them? ›

Peanuts can be eaten raw, blanched, roasted, boiled, fried, powdered, or made into peanut butter. Eating them with their thin, papery skin is most nutritionally beneficial, as the skin contains the many antioxidants and phytochemicals.

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 fix stiff peanut butter? ›

After softening in the microwave, I would recommend mixing in some oil that isn't too flavorful. I found mixing in a bit of water works fine though. You could even make your own mixes to make that last little portion of nut butter count by mixing in honey, unrefined coconut oil, or even Nutella if you so desire!

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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