Easy Keto Toffee Peanuts

by Irena

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These sugar-free keto toffee peanuts are a delicious keto snack and so easy to make. They take only five simple ingredients and 25 minutes of your time. Sweet and salty goodness!

Keto butter toffee peanuts in a white bowl with the pan in the background.

Looking for a quick last minute holiday recipe? Perhaps you want to give a friend an edible keto gift. Or maybe you want something to nibble on as you whip up a batch of keto Christmas cookies.

Look no further than easy keto toffee peanuts. They are a wonderful addition to your holiday lineup. They also make great game day snacks.

I do warn you, they are a bit addictive. Make sure you have someone to share with!

Butter Toffee Peanuts

This recipe was inspired by a reader request. I get a lot of recipe requests, and I rarely have time to fulfill them. I also often already have the very recipe the reader is looking for!

But this one caught my eye because it sounded so tasty. Butter. Toffee. Peanuts. What’s not to love?

It also sounded simple to make. And I think we can all use more quick and easy keto recipes.

Keto toffee peanuts in a jar with Christmas decorations in the background.

Testing different sweeteners

When I researched toffee peanuts, most of the recipes I came across were virtually identical. They took peanuts, sugar, corn syrup, and some cinnamon.

I tried these keto toffee peanuts two ways. In one variation, I used some liquid allulose in place of the corn syrup. My gut instinct told me that it wouldn’t harden properly and I was spot on. They were delicious but sticky and not at all like toffee.

See also  Keto Baked Brie with Caramel Pecans

For the second go, I simply used Swerve Brown along with the melted butter and spices. This time, the toffee coating hardened perfectly.

To understand more about how different sweeteners affect your recipes, please read The Ultimate Guide to Keto Sweeteners.

A pan full of of keto toffee peanuts right out of the oven.

How to make keto toffee peanuts

  1. Preheat the oven and line a pan with parchment paper. Don’t bake the peanuts on a bare pan! Parchment keeps them from sticking and makes for much easier cleanup.
  2. Use roasted and salted peanuts. They will be much more flavorful if you use salted peanuts, but I don’t recommend dry roasted. They often have additives like sugar and maltodextrin.
  3. Mix the peanuts, butter, sweetener, and spices. Simply toss them in a bowl together until well combined. Don’t worry to much if the sweetener is a bit clumpy, as it smoothes out during baking.
  4. Bake until bubbly.
  5. Let cool on the pan. They will be soft and sticky coming out of the oven but will harden up as they cool.

That’s all it takes to make keto toffee peanuts. So easy!

Close up shot of keto toffee peanuts in a white bowl.

Frequently Asked Questions

I am allergic to peanuts, can I use something else?

This recipe would work well with any nut. If you are using raw, unsalted nuts, I recommend adding a bit of salt (¼ to ½ teaspoon) along with the butter and sweetener.

How do you store keto toffee peanuts?

Store them in a covered container on the counter for up to 2 weeks. You can also refrigerate them for up to a month.

Sugar free toffee peanuts in a small pile with a white bowl of peanuts in the background.

More easy keto snack ideas

Keto butter toffee peanuts in a white bowl with the pan in the background.

Keto Toffee Peanuts

These sugar-free keto toffee peanuts are a delicious keto snack and so easy to make. They take five simple ingredients and 25 minutes to make. Sweet and salty goodness!


Course: Snack

Cuisine: American

Keyword: toffee peanuts

Prep Time: 5 minutes

Cook Time: 20 minutes

Total Time: 25 minutes

Servings: 12 servings

Calories: 170kcal


  • Preheat the oven to 300F and line a baking sheet with parchment paper.

  • In a large bowl, toss the peanuts with the melted butter. Sprinkle with the sweetener, cinnamon, and nutmeg, and toss to coat well.

  • Spread the peanuts out in a single layer on the baking sheet. Bake 20 minutes, until bubbly and golden brown.

  • Remove and let cool completely on the pan before breaking up any clumps with your fingers.

Nutrition Facts

Keto Toffee Peanuts

Amount Per Serving (1.5 ounces (about 3 tbsp))

Calories 170
Calories from Fat 133

% Daily Value*

Fat 14.8g23%

Carbohydrates 5.5g2%

Fiber 1.9g8%

Protein 5g10%

* Percent Daily Values are based on a 2000 calorie diet.

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