3-Ingredient Fat Bombs (Easy Keto Dessert)

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A wonderfully short list of ingredients and a 10-minute preparation time make these fat bombs one of the easiest keto treats in my repertoire.

Keto fat bombs are served on a white plate.

These fat bombs are a wonderful treat. Chocolaty and melt-in-your-mouth, I love having one as my after-dinner keto dessert. Since we go through them quickly (they are irresistible!), I often double the recipe and make a dozen. I store them in the fridge and take them out to the counter an hour before eating.

Ingredients

See the recipe card for exact measurements. Here are my comments on the ingredients.

Natural creamy peanut butter: The only ingredients listed on the jar are peanuts and salt. You should stir it well before using it.
Sweetener: I use stevia glycerite.
Cocoa powder: I recommend using unsweetened, Dutch-processed cocoa powder. It's milder, darker, and less acidic than natural cocoa powder. The package should say that the cacao was processed with alkali.

Instructions

The detailed instructions and step-by-step photos are included in the recipe card. Here's a quick overview.

Combine the peanut butter, stevia, and cocoa powder.

Mix the ingredients with a fork or rubber spatula until smooth. The mixture should be very thick and resemble edible playdough, as shown in the photo below.

The fat bomb mixture in the bowl looks thick.

Use a scant cookie scoop to portion the mixture, then shape each portion into a smooth ball with your hands. Enjoy immediately or store on the counter for 1-2 days.

My husband loves these! A cross between a chocolate truffle and a gooey brownie.
Tara Deiana
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Recipe Tips

The flavor of stevia does come through in this recipe, more so than in other keto desserts, so even with stevia glycerite, which is milder, you might be able to detect some bitterness. A pinch of salt should help, especially if your peanut butter isn't salted. It's also helpful to let them sit for a few hours before enjoying them, as the flavors meld and any bitterness mellows.

That said, if you're sensitive to the typical stevia aftertaste, it's best to use a powdered sweetener instead. Avoid granulated sweeteners, as they can result in a grainy mouthfeel. Another option is to use this highly concentrated monk fruit sweetener.
If using a powdered sweetener, add water to the mixture to prevent it from being too dry and chalky. In my experiments, I found that adding 2 tablespoons of water works well. But start with one tablespoon, mix it well into the batter, and then decide whether to add another. Your goal is to have a smooth dough that you can shape with your hands.
Even if using stevia, the mixture might be too dry. If this is the case, add water, a teaspoon at a time, until you achieve a smooth dough.
I highly recommend using a jar of peanut butter that has just been opened and thoroughly stirred. This will ensure the peanut butter is fairly liquid and not too thick. Once refrigerated, it thickens. And no matter how well you stir, the peanut butter near the bottom of the jar tends to be too dry. The photo below shows the texture of the peanut butter I usually use.

Peanut butter in a bowl, showing its texture.

Using Peanut Butter Spread

I typically use natural peanut butter, but I've been asked a few times if it's OK to use creamy peanut butter spread, so I experimented. My conclusion is that yes, you can use peanut butter spread and add water to achieve a playdough-like consistency.

The four photos below show the process. I used Justin's classic creamy peanut butter spread, which contains peanuts and palm oil. You can see that the peanut butter is quite thick. After adding cocoa powder and stevia (plus a pinch of sea salt), it was too dry, so I added 2 tablespoons of water. Then it became playdough-like, and I was able to shape it into balls.

Justin's peanut butter container. — The peanut butter spread I used.

The fat bombs ingredients in a bowl. — You can see how thick it is.

The mixture is too dry. — This is too dry.

The mixture after adding water. — Adding water made it perfect.

Recipe FAQs

How do you use fat bombs?

I consider them a dessert, similar to keto truffles, keto cheesecake bites, or keto peanut butter fudge, but they are easier to make. Some consider them as snacks, and that's fine, too. You can grab one for a quick and delicious midmorning or afternoon pick-me-up. They are portable if you place them in a container that prevents them from being squished.

On occasion, when pressed for time in the morning, I have two of them with my coffee and call it breakfast, as shown in the photo below.

Two fat bombs with coffee.

Can I use sugar-free maple syrup instead of stevia?

I don't recommend that. The syrup would add too much liquid. If you don't want to use stevia, you can use a powdered sweetener and add water. It's best to use a powdered, not a granulated one, to prevent a grainy mouthfeel.

Can I use almond butter?

Yes. You can use any creamy, natural nut butter instead of peanut butter. The flavor won't be quite the same, but it will still be very good. I tried making this recipe with almond butter, and it was excellent. Walnut butter is another tasty option.

Is it OK to use natural cacao powder?

Dutch-processed cocoa powder works best in this recipe, but if all you have on hand is natural cacao powder, that works, too.

Storage Tips

You can store these treats in an airtight container (like the one shown in the image below) at room temperature for 1-2 days. I don't recommend storing them in the fridge as they will harden.

The fat bombs are stored in a glass container.

However, if your kitchen is hot, you might need to place them in the fridge. To decide whether they need to be refrigerated, keep them at room temperature for a few hours, then check how they're doing and whether they're becoming too soft.

You should also store them in the fridge if you plan to keep them longer than a day or two. In the fridge, you can keep them in an airtight container for up to five days.

If you determine that they should be refrigerated, remove them from the fridge an hour before you plan on enjoying them to allow them to soften.

Recipe Card

5 from 29 votes

3-Ingredient Keto Fat Bombs

These easy keto fat bombs come together in just 10 minutes using a handful of ingredients. Perfect as a snack, dessert, or quick breakfast.

Prep Time10

Cook Time0

Total Time10

Course: Dessert

Cuisine: American

Servings: fat bombs

Calories: 129kcal

Author: Vered DeLeeuw

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Video

Ingredients

▢ ½ cup peanut butter - 128 grams; Natural, creamy; use a freshly opened jar
▢ 1 teaspoon stevia glycerite - Scant. Equals a scant ⅓ cup of powdered sugar
▢ 2 tablespoons cocoa powder - Unsweetened, processed with alkali

Optional:

▢ Pinch sea salt - If your peanut butter isn't salted
▢ 1-2 tablespoons water - If using a powdered sweetener or a peanut butter spread, and the batter is too dry

Instructions

Combine the peanut butter, sweetener, and cocoa powder in a medium bowl.
½ cup peanut butter, 1 teaspoon stevia glycerite, 2 tablespoons cocoa powder
Mix the ingredients with a fork or rubber spatula until smooth. The mixture will be very thick. It should have the texture of edible playdough. See the notes section below for tips.
Use a scant cookie scoop (a 2-tablespoon scoop) to portion the mixture, then shape each portion into a smooth ball with your hands. If you use stevia, you should get six balls. With a powdered sweetener, you should get seven.
Enjoy immediately, or, better yet, let them rest for a few hours to allow the flavors to meld and any stevia bitterness to mellow. They improve after a few hours' rest.

Notes

The flavor of stevia does come through in this recipe, more so than in other keto desserts, so even with stevia glycerite, which is milder, you might be able to detect some bitterness. A pinch of salt should help, especially if your peanut butter isn't salted. But if you're sensitive to the typical stevia aftertaste, it's best to use a powdered sweetener instead. Avoid granulated sweeteners, as they can result in a grainy mouthfeel. If you use a powdered sweetener, you'll likely need to add 1-2 tablespoons of water to the mixture. Your goal is to have a smooth dough that you can shape with your hands. Another option is to use this highly concentrated monk fruit sweetener.
I recommend using cocoa powder processed with alkali. It's milder, darker, and less acidic than natural cocoa powder.
Sweetness is a personal preference. Use these amounts as a guide and adjust to taste.
I highly recommend using a jar of natural peanut butter that has just been opened and stirred. This will ensure the peanut butter is fairly liquid and not too thick. Once refrigerated, it thickens. And no matter how well you stir, the peanut butter near the bottom of the jar tends to be too dry. Alternatively, it's OK to use creamy peanut butter spread and add 1-2 tablespoons of water.
The texture of the batter depends on the type of peanut butter you use. If the batter is too liquid, stir in coconut flour, 1 teaspoon at a time, until it becomes firmer. If it's too dry, add water, a tablespoon at a time. As mentioned above, your goal is to have a smooth dough that you can shape with your hands.
Store the leftovers in an airtight container on the counter for up to two days. If your kitchen is hot or if you want to store them for longer, store them in the fridge for up to 5 days. Remove them from the fridge an hour before enjoying them to allow them to soften.

Nutrition per Serving

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Most recipes are low-carb and gluten-free, but some are not. Recommended products are not guaranteed to be gluten-free. Nutrition info is approximate - please verify it. The carb count excludes non-nutritive sweeteners. Please read these Terms of Use before using any of my recipes.

Fat Bombs

Ingredients

Instructions

Recipe Tips

Using Peanut Butter Spread

Recipe FAQs

Storage Tips

Recipe Card