Keto Nut and Seed Brittle

The secret to the maximized yumminess of this crunchy brittle is using roasted and salted nuts and seeds, which add savory saltiness to meet the sweetness. Note: erythritol can have a "cooling sensation" on the palate for some people, but do not try to substitute other keto-friendly sweeteners or you will not get the crisp and crackly character we like so much in this recipe. Stored at room temperature in an airtight container, the brittle keeps for 5 days. 
Serves 10 One Serving: 2.25 oz

Ingredients List

  • 8 Tbsp (4 oz) butter, divided
  • 1 (12-oz) package sugar-free erythritol sweetener (we used Swerve brand)
  • 2 tsp pure vanilla extract
  • 3/4 cup roasted, salted almonds, roughly chopped
  • 3/4 cup roasted, salted cashews, roughly chopped
  • 1/4 cup roasted, salted pepitas
  • 1/4 cup black sesame seeds, white sesame seeds, or a combination
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  • Line a large (18 by 13-inch) rimmed baking sheet with a silicone mat or parchment paper.  Grease the mat or parchment and the head of a silicone spatula with 1 tablespoon of the butter. Set aside.
  • Combine the remaining 7 tablespoons butter, sweetener, and vanilla in a medium, heavy-bottomed, stainless steel saucepan. Heat over medium heat, stirring constantly, until the sweetener is fully dissolved, 6 to 8 minutes. Continue cooking, stirring constantly, just until the mixture reaches a deep brown/amber color then quickly remove the pan from the heat to avoid burning, 7 to 8 minutes.
  • Use the buttered spatula to quickly mix in the nuts and seeds, then pour the mixture onto the prepared baking pan. Smooth out the nuts so they are evenly distributed, making sure the brittle mixture is touching all the nuts and seeds. Refrigerate to set, 1 hour.
  • Break the brittle into pieces and serve.


RecipeEric Lundy

PhotographyErin Ng

4 reviews

  1. 5 stars
    this brittle is delicious. I had a hard time eating just one piece. My husband who hates sugar free desserts liked it too. I used pumpkin seeds,sesame seeds,almonds,macadamia nuts and pistachios because that’s what I had on hand.

    • Thank you, Julie. That’s what’s great about this recipe…you can use whatever you have.

  2. 5 stars
    Didn’t have butter on hand, so I used 4th & Heart Vanilla Bean Ghee.

  3. 5 stars
    This is so close to the real thing! Maybe even better. I was skeptical that it would turn out like the picture but it did. What a great snack, or gift (keto or not). I did not have a stainless steel pan but if you have a stove light on above it, you can see the color pretty well. Just follow the instructions and make sure the mixture reaches an amber color and just tan. I might add a few more nuts next time.


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