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Grandma's Peanut Brittle
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5 from 17 votes

Grandma's Peanut Brittle

This delicious Grandma's Peanut Brittle is great to make for Halloween, the Holidays or Easter. From kids to adults, everyone will love it!
Prep Time10 minutes
Cook Time35 minutes
Passive Time1 hour
Servings: 12
Author: Francine Lizotte
Course: Candies - Treats, Confectionary
Cuisine: International
Keyword Christmas, Comfort Food, Dairy Free, Easter, Easy Recipe, Gluten Free, Halloween, Kids Recipes, Low Sodium/No Sodium, Snacks

Ingredients

  • 1/2 cup granulated sugar
  • 1/2 cup brown sugar
  • 1/4 cup water
  • 1/4 tsp. ground Himalayan pink salt
  • 1/2 cup light corn syrup aka white corn syrup
  • 4 tbsp. butter, cubed and room temperature
  • 1 1/4 cups unsalted dry roasted peanuts
  • 1 tsp. baking soda, sifted
  • 1/2 tsp. pure vanilla extract

Directions

  • Line a rimmed 10 x 15-inch baking sheet with silicone mat OR grease a baking sheet and place parchment paper - butter the paper. Transfer to a 170ºF oven while making the brittle.
  • In a medium heavy bottomed saucepan over medium heat, add sugars, water, salt, and corn syrup.
  • Using a wooden spoon, stir until nicely blended and sugars are dissolved.
  • Bring the mixture to a gentle boil, stirring occasionally, brushing the sides of the pot with water.
  • Attach a candy thermometer on the side of the pot, making sure it’s submerged in the liquid and doesn’t touch the bottom of the saucepan.
  • Continue cooking until the mixture reaches 250ºF, about 8 to 10 minutes.
  • Add butter and stir until melted.
  • When the mixture reaches 280ºF, about 15 minutes, stir in the peanuts.
  • Cook, stirring constantly for about 10 minutes or until the temperature reads between 305ºF to 310ºF.
  • Remove from the heat and immediately, add baking soda plus pure vanilla extract and stir vigorously – don’t overdo it.
  • Without waiting, pour the mixture onto the warmed, prepared baking sheet. Quickly spread out the mixture evenly. Allow to cool completely, about 1 hour.
  • Allow to cool completely, about 1 hour.
  • Peel off the brittle from the silicone mat or the parchment paper and break into pieces. Store in an airtight container for 4 weeks.