Easy Microwave Peanut Brittle Recipe (2024)

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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

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  • 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.
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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!

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 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.

How do you melt PB 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.

Can I use aluminum foil instead of parchment paper for peanut brittle? ›

Line a large baking sheet with parchment paper or aluminum foil lightly coated with vegetable cooking spray. Place the pan on a heat-proof trivet or cooling rack and set aside.

Should I microwave peanuts? ›

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.

Is it safe to put peanut butter in the microwave? ›

Sure, you can use a microwave for small amounts. Or just spread it on hot toast. It melts like butter. Always keep peanut butter at room temperature UNLESS, it's totally natural, without preservatives, or it's one you made yourself.

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 peanut brittle not crunchy? ›

It's so important because if you cook your brittle much beyond the 300 degree F point, it could burn, and if you don't cook it long enough, the peanut brittle won't set as hard and be more sticky and chewy than crunchy and, well, brittle. Be ready to move quickly once the temperature reaches 300 degrees F.

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.

Can you microwave peanut butter to soften? ›

First, you'll need to get your paws on a microwave-safe bowl and a great spoon for stirring. Once you've scooped your peanut butter into the bowl, microwave it for 30 seconds, give it a good stir, and pop it in for another 30 seconds. Repeat this process until it's the desired texture.

Why does butter zap in microwave? ›

Those dormant little drops of water scattered throughout the butter start heating up through microwave energy, causing them to vibrate and turn into hot steam, according to Kitchen Appliance Answer.

Is peanut butter good or bad for you? ›

Eating peanut butter alongside other nutritious foods is perfectly healthy — as long as you don't exceed your calorie needs. Peanut butter is high in calories and could lead to excess calorie intake if not consumed in moderation. However, it is still a high-quality food that provides numerous nutrients.

Why is my peanut brittle not airy? ›

Working quickly, pour into prepared 10×15 pan. To keep the brittle light and airy, do not spread or flatten the mixture. Instead, let it flow freely. Place in a cool area and leave until completely cooled, about 2-3 hours.

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.

How long does homemade peanut brittle last? ›

To store: Once it's completely cooled, store peanut brittle 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.

What is the quickest way to shell peanuts? ›

The best way to crack open in-shell peanuts is to place the peanut between your thumb and forefinger and apply gentle pressure until the shell cracks. You can also use a nutcracker or a sturdy pair of pliers to crack open the shell.

How do you soften peanuts quickly? ›

Soak peanuts in hot boiling water for 2 to 3 hours before cooking to soften them. In the past, I boiled them without any prior soaking and they turned out slightly crunchy despite simmering them for nearly 2 hours on the stovetop.

Do raw peanuts need to be soaked before roasting? ›

Roasting peanuts involves a lot of waiting. The peanuts must be soaked in a salty brine long enough for the flavor to reach the “nu*t” itself. Once brined, the peanuts must dry before roasting.

How do you soften raw 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.

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