Brittle is a hard-crack candy, so cook the syrup to 300F exactly or it stays chewy instead of snapping. Baking soda stirred in at the end foams the caramel so it spreads thin and light rather than dense and tooth-cracking.
By Vince Gonzalez · Published July 2026 · Sourcing verified 5 Jul 2026
Prep10 min
Cook20 min
Makes1 pound
CuisineAmerican
Cost$
VegetarianGluten-free
Contains dairy · peanuts
Make it vegan: use plant milk, oil, or a vegan cheese for the dairy.
The Ingredients — and where to get them
Cook for1pound
Peanuts
Roasted, salted peanuts stirred in near the end so they toast without burning.
Can you make Peanut Brittle in an air fryer? — Yes
Yes — this is exactly what an air fryer does well. Work in a single layer so the air can move, and shake or flip halfway for even crisping. It runs a touch faster than the oven, so check early.
Can you freeze Peanut Brittle? — Yes
Yes — freeze it well-wrapped, then reheat or toast straight from frozen. Frost or glaze after thawing.
Can you make Peanut Brittle ahead of time? — Prep ahead
Best fried to order — the crunch fades if it sits. Do the breading or shaping ahead and cook it fresh when you serve.
Is Peanut Brittle gluten-free? — Yes
Yes — nothing in this recipe as written contains gluten. As always, glance at the labels on any packaged items (broth, sauces, chocolate), since brands vary.
Is Peanut Brittle vegan? — Vegetarian, not vegan
It’s vegetarian but not vegan as written — it has dairy. Make it vegan: use plant milk, oil, or a vegan cheese for the dairy.
Community Notes
Cooked it? Changed something that worked? Leave a note for the next person — first-name basis, no account.
Open data. Every maker on this site is published as a free dataset under CC BY 4.0 — use it in anything, commercial or not, as long as you credit 5best2buy. Browse the datasets →