These keto peanut butter fat bombs are creamy, rich, chocolatey, and incredibly easy to make. Made with peanut butter, coconut oil, cocoa powder, and a low-carb sweetener, these little no-bake bites are perfect when you want a quick keto-friendly snack or small sweet treat.
They take just a few minutes to prepare and can be stored in the refrigerator or freezer for an easy grab-and-go snack.
Why You’ll Love These Keto Peanut Butter Fat Bombs
- No-bake recipe
- Ready in minutes
- Rich peanut butter flavor
- Chocolatey and creamy
- Easy low-carb snack
- Great for keto meal prep
- Freezer-friendly
- Easy to customize
- Only a handful of ingredients
- Perfect for satisfying a sweet craving
Ingredients
For the Fat Bombs
- 1/2 cup natural creamy peanut butter
- 1/4 cup coconut oil, melted
- 2 tablespoons unsweetened cocoa powder
- 2 tablespoons powdered low-carb sweetener
- 1/2 teaspoon vanilla extract
- 1/4 teaspoon salt
Optional Add-Ins
- 2 tablespoons unsweetened shredded coconut
- 2 tablespoons chopped pecans
- 1 tablespoon chia seeds
- 1/2 teaspoon cinnamon
- 1 tablespoon sugar-free chocolate chips
- Pinch of flaky sea salt
How to Make Keto Peanut Butter Fat Bombs
1. Prepare the Mold
Line a mini muffin pan with approximately 12–16 mini paper liners.
You can also use a silicone candy or mini muffin mold.
2. Melt the Coconut Oil
Gently melt the coconut oil until completely liquid.
Allow it to cool slightly.
3. Combine the Peanut Butter
Add peanut butter and melted coconut oil to a mixing bowl.
Whisk until smooth and fully combined.
4. Add Cocoa Powder
Add unsweetened cocoa powder.
Stir until no dry cocoa pockets remain.
5. Sweeten
Add powdered low-carb sweetener according to your preferred level of sweetness.
Mix thoroughly.
6. Add Vanilla and Salt
Stir in vanilla extract and salt.
The small amount of salt helps balance the sweetness and intensifies the peanut butter flavor.
7. Add Optional Ingredients
Fold in shredded coconut, chopped pecans, chia seeds, or sugar-free chocolate chips if desired.
8. Fill the Molds
Pour the mixture evenly into the prepared mini muffin liners.
Fill each one approximately 2/3 full.
9. Chill
Refrigerate for approximately 30–60 minutes, or until completely firm.
For a faster option, place them in the freezer for approximately 15–20 minutes.
10. Remove From the Mold
Once firm, gently remove the fat bombs from the liners or silicone mold.
11. Serve
Serve chilled.
For the best texture, keep them refrigerated until ready to eat.
What Peanut Butter Is Best?
Natural creamy peanut butter with minimal added ingredients works well.
Choose a peanut butter without added sugar if you’re keeping the recipe low-carb.
Can I Use Crunchy Peanut Butter?
Absolutely.
Crunchy peanut butter adds small pieces of peanuts and gives the fat bombs extra texture.
Can I Use Almond Butter?
Yes.
Almond butter makes an excellent substitute for peanut butter.
Can I Use Cashew Butter?
Yes, although cashew butter generally has a slightly different carbohydrate profile and milder flavor.
Check the nutrition label for your specific product.
Can I Use Sunflower Seed Butter?
Yes.
Sunflower seed butter is a useful alternative for people avoiding peanuts and tree nuts.
What Sweetener Should I Use?
Powdered erythritol, allulose, monk fruit blends, or another keto-friendly powdered sweetener can work.
The sweetness and texture will vary depending on the product.
Can I Use Liquid Sweetener?
Yes, but use it carefully.
Liquid sweeteners don’t provide the same bulk as powdered sweeteners, so the texture may change.
Can I Make These Without Cocoa Powder?
Absolutely.
Simply omit the cocoa powder for a creamy peanut butter version.
You may want to add a little extra peanut butter or shredded coconut to maintain the desired consistency.
Can I Add Chocolate?
Yes.
Add sugar-free chocolate chips or drizzle melted low-carb chocolate over the chilled fat bombs.
Can I Add Coconut?
Definitely.
Unsweetened shredded coconut adds texture and a subtle coconut flavor.
Can I Add Nuts?
Yes.
Chopped pecans, almonds, or walnuts work well.
Can I Add Chia Seeds?
Absolutely.
Add approximately 1 tablespoon for additional texture.
Can I Add Flaxseed?
Yes.
Ground flaxseed can be mixed directly into the peanut butter mixture.
Can I Add Cinnamon?
Definitely.
A small amount of cinnamon pairs beautifully with peanut butter and chocolate.
Can I Add Sea Salt?
Yes.
A tiny pinch of flaky sea salt on top creates a sweet-and-salty flavor combination.
Are Keto Fat Bombs a Meal Replacement?
No.
They’re best treated as a snack or small treat rather than a complete meal.
Are These Keto?
These ingredients are commonly used in low-carbohydrate recipes, but the exact carbohydrate content depends on the brands and sweeteners used.
Check the nutrition labels of your specific ingredients and calculate the recipe accordingly.
How Many Carbs Are in Each Fat Bomb?
The exact nutrition depends on the peanut butter, sweetener, coconut oil, and optional ingredients used.
For accurate nutrition information, calculate the recipe using the exact products and serving size.
Can I Make Them Dairy-Free?
Yes.
The base recipe is dairy-free as long as your peanut butter and optional chocolate ingredients contain no dairy.
Can I Make Them Vegan?
Yes.
Use plant-based ingredients and confirm that your chocolate and sweetener are vegan if adding them.
Can I Make Them Nut-Free?
Traditional peanut butter fat bombs aren’t nut-free.
Use sunflower seed butter or another suitable seed butter instead.
Can I Make Them Without Coconut Oil?
Yes, but coconut oil helps the mixture firm up when chilled.
You can experiment with another solid fat, but the final texture may differ.
Why Are My Fat Bombs Too Soft?
They may need additional chilling time.
Warm room temperatures can also soften coconut oil-based fat bombs.
Keep them refrigerated.
Why Are My Fat Bombs Too Hard?
Because coconut oil becomes firm when chilled.
Allow them to sit at room temperature for several minutes before eating.
Why Is the Mixture Separating?
The peanut butter and coconut oil may not have been mixed thoroughly.
Whisk until completely smooth before filling the molds.
Can I Make Them Without a Mini Muffin Pan?
Yes.
Use a silicone candy mold, ice cube tray, or small parchment-lined container.
Can I Make Larger Fat Bombs?
Absolutely.
Use regular muffin cups for larger portions.
Keep in mind that larger portions will require more chilling time.
Can I Make Peanut Butter Cups Instead?
Yes.
Pour a small amount of the mixture into each liner, chill briefly, add a little extra peanut butter, then cover with more chocolate-peanut butter mixture.
Can I Make These Ahead of Time?
Absolutely.
They’re excellent for meal prep.
Make a batch and keep them refrigerated for quick snacks throughout the week.
How Long Do Keto Peanut Butter Fat Bombs Last?
Store them in an airtight container in the refrigerator for approximately 1–2 weeks.
Always check for changes in smell, texture, or appearance before eating.
Can I Freeze Them?
Yes.
Place them in a freezer-safe container with parchment between layers.
They can be frozen for approximately 2–3 months for best quality.
How Do I Thaw Them?
Move the desired amount from the freezer to the refrigerator.
You can also allow them to sit at room temperature for several minutes.
Should Fat Bombs Be Refrigerated?
Yes.
Because coconut oil softens at warmer temperatures, refrigeration helps them maintain their shape and texture.
Easy Keto Peanut Butter Fat Bomb Variations
Chocolate Peanut Butter Fat Bombs
Use cocoa powder and sugar-free chocolate chips for extra chocolate flavor.
Coconut Peanut Butter Fat Bombs
Add unsweetened shredded coconut.
Peanut Butter Sea Salt Fat Bombs
Top with a tiny pinch of flaky sea salt.
Peanut Butter Almond Fat Bombs
Add chopped almonds for extra crunch.
Cinnamon Peanut Butter Fat Bombs
Add cinnamon and a little vanilla.
Mocha Peanut Butter Fat Bombs
Add a small amount of instant espresso powder to the cocoa mixture.
Peanut Butter Cheesecake Fat Bombs
Add softened cream cheese for a richer, cheesecake-inspired version.
Frequently Asked Questions
Are peanut butter fat bombs keto?
They can fit into many keto meal plans when made with low-carb ingredients and eaten in appropriate portions.
Can I use crunchy peanut butter?
Yes. It adds a nice texture.
Can I use almond butter?
Absolutely.
Do I need to bake them?
No. They’re completely no-bake.
How long do they need to chill?
Approximately 30–60 minutes in the refrigerator.
Can I freeze them?
Yes. Freeze for approximately 2–3 months for best quality.
How do I store them?
Keep them refrigerated in an airtight container.
Can I make them dairy-free?
Yes. The basic recipe is naturally dairy-free.
Can I add chocolate chips?
Yes. Use sugar-free chocolate chips for a low-carb option.
Why are they too soft?
They likely need more chilling or are being stored somewhere too warm.
Recipe Card
Keto Peanut Butter Fat Bombs
Prep Time: 10 minutes
Chill Time: 30 minutes
Total Time: 40 minutes
Servings: 16
Course: Snack / Dessert
Cuisine: American
Ingredients
- 1/2 cup natural creamy peanut butter
- 1/4 cup melted coconut oil
- 2 tablespoons unsweetened cocoa powder
- 2 tablespoons powdered low-carb sweetener
- 1/2 teaspoon vanilla extract
- 1/4 teaspoon salt
Instructions
- Line a mini muffin pan with paper liners.
- Melt the coconut oil.
- Combine peanut butter and melted coconut oil.
- Whisk in cocoa powder.
- Add powdered sweetener.
- Stir in vanilla and salt.
- Fold in optional coconut, nuts, or chocolate chips.
- Divide mixture among the mini muffin cups.
- Refrigerate for 30–60 minutes until firm.
- Remove from the molds.
- Store refrigerated and serve chilled.