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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!

Prep Time
5 mins
Cook Time
5 mins
Total Time
15 mins
Servings: 8 servings
Calories: 324 kcal
Course: Dessert
Cuisine: American

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

    Cup of Yum
  1. Grease a baking sheet and set aside. Pre-measure your ingredients and have them all ready to go.
  2. In a microwave safe bowl, sugar, and corn syrup. Microwave for 3 minutes, stirring halfway through.
  3. Stir in peanuts. Return to microwave for 3 minutes.
  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). Pour immediately onto greased baking sheet and spread as needed with a greased rubber spatula or spoon.
  6. 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 Information

Calories 324kcal (16%) Carbohydrates 48g (16%) Protein 7g (14%) Fat 14g (22%) Saturated Fat 2g (10%) Cholesterol 1mg (0%) Sodium 380mg (16%) Potassium 189mg (5%) Fiber 2g (8%) Sugar 43g (86%) Vitamin A 3IU (0%) Calcium 20mg (2%) Iron 1mg (6%)

Nutrition Facts

Serving: 8servings

Amount Per Serving

Calories 324

% Daily Value*

Calories 324kcal 16%
Carbohydrates 48g 16%
Protein 7g 14%
Fat 14g 22%
Saturated Fat 2g 10%
Cholesterol 1mg 0%
Sodium 380mg 16%
Potassium 189mg 4%
Fiber 2g 8%
Sugar 43g 86%
Vitamin A 3IU 0%
Calcium 20mg 2%
Iron 1mg 6%

* Percent Daily Values are based on a 2,000 calorie diet.