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    Home ~ Recipes ~ Dessert Recipes for One

    How to Make Easy Microwave Peanut Brittle

    LAST UPDATED: Jan 12, 2023 · PUBLISHED: Oct 24, 2020 · BY: Sydney · Leave a Comment

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    Stack of peanut brittle pieces.

    In my home candy recipes kick off the holiday season. Making the peanut brittle in a microwave makes this oh so incredibly simple and for a bonus, the cleanup is a snap.

    A simple old fashion dessert anyone can make.

    [feast_advnced_jump_to]

    Simple Ingredients

    • Sugar - white granulated sugar is used for this recipe
    • Corn syrup - use light corn syrup, we always use the Karo brand.
    • Roasted Salted Peanuts - I buy a bag of already shelled salted peanuts, but you can also use unsalted, really depends on your personal preference.
    • Butter - Salted butter
    • Vanilla Extract -use real vanilla extract
    • Baking soda - used to creates little air bubbles in the peanut brittle, giving it that classic crunch.

    How to make Peanut Brittle in the microwave

    1. In a glass 4 cup measuring cup combine and stir together the sugar and corn syrup.
    2. Microwave on full power for 3 minutes. 
    3. Carefully remove the measuring cup from the microwave and stir in the peanuts. Return to microwave and heat on 100% power for another 3-4 minutes. After carefully removing from the microwave using an instant-read candy thermometer to make sure it reaches the proper temperature of 300 degrees Fahrenheit to properly harden.
    4. Next, remove the measuring cup from the microwave and stir in the butter and vanilla. return mixture to the microwave and cook for 1 more minute.
    5. Next, mix in the baking soda to the measuring cup and microwave for another for about 15 to 20 seconds 
    6. Let the mixture sit just until it stops bubbling and settles down. Pour the mixture onto a parchment paper-lined small rimmed baking sheet.  Smooth out with a scraper or the back of a spoon. I spray the back of a spoon with non-stick spray then smooth mine.
    7. Allow the candy to cool completely.
    8. When candy is cooled completely cut with a sharp knife or use a hammer to break apart.
    some great ideas to package homemade food gifts

    How to Store

    Wrap brittle in waxed paper or plastic wrap to separate the pieces to it from sticking together.  Store the cooled peanut brittle in an airtight container at room temperature for up to 4 weeks.

    Peanut brittle also freezes well, just wrap tightly and freeze for up to two months.

    Don’t store in the fridge, this will cause your brittle to soften.

    How long does it take for peanut brittle to harden?

    Peanut brittle will usually harden in about 30 minutes. Cool on the counter, no need to refrigerate the brittle to set it.

    Why is my Brittle sticky?

    The brittle need to reach the proper temperature of 300 degrees Fahrenheit so the sugar reaches the hard crack stage. It's extremely helpful to use an instant-read thermometer to make sure the sugar reaches the correct temperature.

    stack of peanut brittle on parchment paper

    Microwave Peanut Brittle

    Classic sweet and salty old fashion candy made easy in the microwave
    4 from 1 vote
    Print Pin Rate
    Course: Dessert
    Cuisine: American
    Prep Time: 5 minutes
    Cook Time: 10 minutes
    Cooling Time: 45 minutes
    Total Time: 1 hour
    Servings: 8 servings
    Calories: 224kcal
    Author:Sydney Dawes

    Ingredients

    • ¾ cup granulated sugar
    • ⅓ cup light corn syrup
    • 1 cup roasted peanuts shelled and salted
    • ¾ teaspoon butter
    • ¾ teaspoon vanilla extract
    • ½ teaspoon baking soda

    Instructions

    • In a glass 2 cup measuring cup combine and stir together the sugar and corn syrup.
    • Microwave on full power for 3 minutes.  The time is for a 700-watt microwave, yours may take a shorter time depending on the wattage of your microwave.
    • Carefully remove the measuring cup from the microwave and stir in the peanuts. Return to microwave and heat on 100% power for another 3 minutes
    • Next, remove the measuring cup from the microwave and stir in the butter and vanilla. return the mixture to the microwave and heat for 1 more minute.
    • Next, stir in the baking soda to the measuring cup and microwave for another for about 15 to 20 seconds 
    • Let the mixture sit until it stops bubbly and settles down.
    • Pour the mixture onto a parchment-lined small rimmed baking sheet.  Smooth out with a scraper or the back of a spoon coated with a non-stick spray. Allow the candy to cool completely.
    • When candy is cooled completely, lift out by the edges of the parchment paper and cut with a sharp knife or use a hammer to break apart.


    Notes

    Peanut Brittle makes a nice old fashion hostess or homemade holiday gift.

    Nutrition

    Serving: 2g | Calories: 224kcal | Carbohydrates: 33g | Protein: 4g | Fat: 9g | Saturated Fat: 2g | Polyunsaturated Fat: 7g | Cholesterol: 1mg | Sodium: 205mg | Fiber: 2g | Sugar: 30g

    For more peanut deserts check out my peanut butter cookies or chocolate peanut butter cups.

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    Cooking scrumptious small batch recipes for one and sometimes for two are created in my small 1960’s kitchen. I learned to cook Shepherds Pie in England and Classic Marinara while living in Italy. Born in Southern California and raised in the Midwest, my cooking represents the best of both regions with an added touch of Southern hospitality.

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    Looking for stew recipes? This is the place for all-season recipes! Stews aren't just a cold-weather dish.


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