Best Peanut Brittle Microwave Recipe
Peanut brittle recipes can be really involved. In fact, I used to make this one while slaving over a hot stove with a kitchen thermometer. However, this peanut brittle microwave recipe is one of the easiest around. I made a few batches of gourmet peanut brittle as wedding favors for my daughter’s rehearsal dinner. Simple and tasty!
Easy Peanut Brittle Recipe Without Candy Thermometer
For years, I used a buttery peanut brittle recipe that was tried and true, but it took forever to make. On the stovetop, it took 45 minutes to an hour to make just one batch.
Having an easy peanut brittle recipe without candy thermometers was a lifesaver. It’s quick and easy, and super tasty. Everyone I’ve made it for really loves it!
Take a peek at the wedding favors we made with this adapted old-fashioned peanut brittle recipe. They made such a cute addition!

A peanut brittle microwave recipe is perfect to make as rehearsal dinner or wedding favors.ย
Peanut Brittle Microwave Recipe
Ingredients:
- 1.5 cups sugar
- 1/2 cup light corn syrup
- 1/4 teaspoon salt (use up to 1/2 teaspoon if you like it saltier, but I usually use salted nuts and skip the salt)
- 2 tablespoons butter
- 1.5 cups lightly salted peanuts (you can really use any nut)
- 1 teaspoon vanilla extract
- 1/4 teaspoon baking soda
Plus, you will also need:
- You will also need a flat surface to place the peanut brittle (like a cookie sheet).
- I cover my surface with parchment paper (do not use waxed paper, as the peanut candy will stickโI learned this the hard way!)
- Have handy two forks, too.

A buttery peanut brittle recipeโmicrowave neededโis simple and tasty.
Instructions:
- In a 2-quart glass measuring cup (I use the Pampered Chef batter bowl), combine sugar, corn syrup, and salt.
- Stir until sugar is moistened.
- Microwave on high for 4 minutes.
- Stir in butter and nuts.
- Return to the microwave for 4 1/2 minutes.
- The mixture should be thick, bubbly, and pale brown. It will be hot, so use the bowl handle and/or an oven mitt… hot, hot, hot!!
- Stir in vanilla and baking soda (it will fizz and cause the mixture to lose a little air).
- Pour onto your prepared flat surface immediately.
- Spread it as flat and even as possible using the two forks (pulling at it to increase the surface area it covers).
- Let it stand for about 20 minutes (sometimes I put it into the fridge).
- When it is cool, break it into bite-sized pieces … yum!
- Store the gourmet peanut brittle in an airtight container.

Make an easy peanut brittle recipe without candy thermometers. Such a time saver!
Peanut Brittle Microwave Recipe Adaptations
If you enjoy a soft peanut brittle recipe, all you have to do is microwave it for less time. Instead of 4 1/4 minutes during the second microwaving, try 4 minutes. If it’s still too hard, try 3 1/2 minutes the following time.
Figuring out your appliance is just as important as perfecting peanut brittle recipes in the microwave.
I hope you all enjoy this microwave peanut brittle recipe. Yay for yummy, homemade candy! It seems complicated, but it’s super easy.
Oh, and feel free to substitute any nut instead of peanuts. A nut mix would be fun for truly gourmet peanut brittle. Enjoy!
Want to make peanut brittle? Save it!

Photos: Katheryn Moran and Meridith De Avila Khan








That looks delicious and seems pretty easy to make. Thanks for sharing.
Thank you! It’s a tried and true recipe I love. <3
Oh, this looks super yummy. I will definitely have to try this. I love trying new recipes!!
Yep for sure trying this! I love peanut brittle! It’s such a delish treat!
I just ran downstairs to see if I have corn syrup, just for the sake of making these haha! They sound phenomenal. I love peanut brittle so much and I have a giant jar of peanuts I haven’t been snacking on. This would be the perfect solution. I’ll need to make them this weekend!
Yum, what a delicious idea for a wedding favor! I have everything in stock needed for this recipe– I am SO going to make this!
I love peanut brittle so much and this looks so amazing! It doesn’t look that hard to make either!
Ahh these look so delicious and not too difficult to make at all! Yum!
Yum!! This sounds sooo good! And definitely makes a great treat for guests. Thanks for sharing!
I’m sorry, did you say microwave peanut brittle?! This sounds amazing and so simple! I’ll definitely give it a try during the holidays.