Microwave Peanut Brittle



POSTED March 13, 2020 (LAST UPDATED April 23, 2021)



Total Time




This easy microwave peanut brittle such a delicious treat for the holidays! Make sure you have your baking pan greased and lined in advance as once it comes out of the microwave you’ll have to move quickly. Thi...



  • Granulated sugar icon
    Granulated sugar

    1 cup (about 204 g)

  • Corn syrup icon
    Corn syrup

    ½ cup (about 225 g)

  • Roasted salted peanuts icon
    Roasted salted peanuts

    1 ¼ cups (about 300 g)

  • Butter icon

    1 ½ teaspoons (about 7 g)

  • Vanilla extract icon
    Vanilla extract

    1 ½ teaspoons (about 8 ml)

  • Baking soda icon
    Baking soda

    1 teaspoon (about 5 g)


  • 1. Line a clean baking sheet
  • 2. Grease with butter curler then set aside
  • 3. Combine granulated sugar and corn syrup with a clean small bowl
  • 4. Heat in microwave - 3 min 30 sec, high heat
  • 5. Stir roasted salted peanuts into the small bowl
  • 6. Cook in microwave until lightly browned - 3 min, high heat
  • 7. Add butter and vanilla extract to the small bowl
  • 8. Heat in microwave - 1 min 30 sec, high heat
  • 9. Stir with tablespoon until well combined
  • 10. You will need to work quickly for the next step, so be sure to have your buttered sheet ready to go
  • 11. Add baking soda to the small bowl
  • 12. Stir with tablespoon until foamy
  • 13. Pour mixture into baking sheet quickly
  • 14. Do NOT use a spoon to spread the mixture around
  • 15. Instead, gently rotate the pan to spread the mixture around until it is about 1/2 inch thick
  • 16. Work quickly, because it will began hardening very fast
  • 17. Let the peanut brittle cool for at least 1/2 hour or until it is hard and smooth to the touch
  • 18. When it is cooled, break the candy into small pieces and store in an air-tight container

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