Name: Peanut Brittle
Prep time: 5 min
Cook time: 30 min
Total time: 35 min
Yield: 50 Pieces
Cuisine: American

Real Life of Lulu Verified

January 23, 2026

Indulge in the sweet and salty delight of homemade peanut brittle, where sugar, corn syrup, and peanuts come together to create a crunchy, caramelized treat. Perfect for sharing (or keeping all to yourself!), this classic candy is easy to make and sure to satisfy your sweet tooth.

From the Cook

1/3

Peanut Brittle

Real Life of Lulu Verified

Ingredients

WarningPeanuts allergen identified

Instructions

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Instructions

Prepare a large (10"x15") rimmed cookie sheet by covering it in butter.

Stir together the sugar, corn syrup, and water in a large heavy saucepan.

Cook the mixture at medium heat until it reaches hard crack stage (300℉) according to a candy thermometer.

Reduce heat to low and add peanuts, cooking slowly for 10 minutes, stirring frequently.

Increase the heat to medium during the last 2 minutes of cooking to give the candy a golden color.

Right before removing from the heat, add the baking soda and combine well.

Pour the mixture carefully onto the prepared cookie sheet and spread evenly.

Let it cool completely (for at least one hour) and then break it into bite-sized pieces.

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Tips & Tricks (5)

Temperature Precision 🌡️
Use a candy thermometer to ensure the sugar syrup reaches exactly 300°F (hard crack stage) for perfect brittle texture.
Baking Soda Magic 🧪
Add baking soda off the heat to create tiny air bubbles that give peanut brittle its signature light, crispy texture.
Peanut Prep Power 🥜
Always use roasted salted peanuts and warm them slightly before adding to the syrup to prevent temperature shock and ensure even distribution.
Surface Strategy 🧊
Prepare a silicone mat or heavily buttered baking sheet in advance, as you'll need to pour and spread the hot candy quickly before it hardens.
Cooling Technique 💨
Allow the brittle to cool completely at room temperature for at least 30 minutes before breaking to ensure maximum crispness and prevent sticky texture.