How to Make Homemade Peanut Brittle (Just Like Grandma’s)

There’s something timeless about Peanut Brittle—the snap as you break a piece, the golden caramel flavor, and that satisfying crunch of roasted peanuts. This old-school treat is incredibly easy to make and lasts for weeks, making it perfect for gifting, holiday tins, or sneaky pantry snacking.

Whether you’ve never made candy before or you’re a seasoned pro, this recipe delivers consistent, crave-worthy results every time.

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Why I Love This Recipe

Peanut brittle is unapologetically simple—no fancy ingredients or equipment. With a few pantry staples and about 15 minutes of active cooking time, you get a nostalgic sweet that’s crunchy, buttery, and totally addictive.

It’s:

• Naturally gluten-free
• Easily doubled for gifts
• Long-lasting and freezer-friendly
• A great way to impress with minimal effort

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🛒 Ingredients

• 2 cups peanuts (unsalted or lightly salted)
• 1½ cups granulated sugar
• ¼ cup water
• 2 tbsp butter
• 1 tsp baking soda

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🔄 Ingredient Swaps and Notes

• Nuts: Try cashews, pecans, or mixed nuts instead of peanuts.
• Flavorings: Add ½ tsp vanilla or a pinch of cinnamon for a twist.
• Salted butter works just as well—just reduce any added salt if using salted peanuts.
• Optional: A sprinkle of flaky sea salt on top before it sets.

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🔪 Step-by-Step Instructions

1. Preheat oven to 350°F (175°C) to slightly warm your baking sheet—this helps the brittle spread evenly.
2. In a saucepan over medium heat, combine sugar and water, stirring until dissolved.
3. Add peanuts and continue cooking, stirring occasionally, until the mixture turns golden amber (about 8–10 minutes).
4. Quickly stir in butter and baking soda—the mixture will foam and lighten in color.
5. Pour immediately onto a greased or parchment-lined baking sheet and spread evenly.
6. Let cool completely (about 30 minutes), then break into pieces and store in an airtight container.

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💡 Tips for Success

• Use a heavy-bottomed saucepan to prevent burning.
• Don’t walk away—caramel changes fast once it starts browning.
• Stir gently—too much agitation can cause crystallization.
• Act quickly once you add the baking soda—the candy will start to set fast.
• Score the candy with a buttered knife while warm if you want neater pieces.

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🍽️ Serving Suggestions & Pairings

Pair your peanut brittle with these no-fuss treats and nostalgic sweets:

• Old-School No-Bake Cookies for a throwback dessert table
• No-Bake Monster Cookie Energy Balls for a sweet-n-salty power bite
• Chocolate Chip Cookie Bites when you want something soft with your crunch
• Pecan Pie Bars for a rich contrast to the brittle’s crunch
• Brownie Batter Dip for the ultimate candy + chocolate combo

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🧊 Storage and Leftovers

• Store in an airtight container at room temperature for up to 3 weeks.
• For longer storage, freeze brittle in a zip-top bag with parchment between layers.
• Keep away from moisture or humidity—it will soften the crunch.

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📚 More Recipes You’ll Love

• These Old-School No-Bake Cookies Never Fail Me (And I’ve Made Them 100 Times)
• These No-Bake Monster Cookie Energy Balls Are My Favorite Snack to Keep on Hand
• These Chocolate Chip Cookie Bites Are My Favorite Little Treat to Bake Anytime
• These Pecan Pie Bars Are My Favorite Make-Ahead Holiday Dessert
• This Brownie Batter Dip Is My Favorite No-Bake Dessert for Instant Chocolate Cravings

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🧾 Final Thoughts

This Old-Fashioned Peanut Brittle brings the crunchy, sweet nostalgia of homemade candy right into your kitchen—with just a few ingredients and no special tools. Whether it’s your first time or your hundredth, this brittle never disappoints.

Try it, gift it, or keep it all to yourself—we won’t judge.

For more classic treats, family favorites, and no-fail sweets, follow ChefManiac and keep that pantry stocked with sugar and smiles.