Peanut Butter Fat Bombs

Introduction

What if the secret to crushing your keto cravings without breaking your macros was sitting in your pantry right now? Peanut butter fat bombs are the answer. These rich, creamy, no bake bites have become a staple of the ketogenic lifestyle, and it’s easy to see why.

According to a 2023 survey by the Keto Diet App, over 68% of keto dieters rely on fat bombs as their go to snack for managing hunger between meals, and peanut butter tops the flavor list every single time.

In this post, you’ll learn exactly how to make peanut butter fat bombs in just 3 simple steps. No baking, no special equipment, no fuss. Let’s get into it.

Ingredients

Base:

• 1 cup natural peanut butter (no added sugar)
• 4 oz cream cheese, softened
• 3 tbsp coconut oil, melted
• 3 tbsp powdered erythritol or monk fruit sweetener
• 1 tsp vanilla extract
• ¼ tsp sea salt

Optional Add-Ins:

• 2 tbsp sugar-free dark chocolate chips
• 1 tbsp unsweetened cocoa powder
• 1 tsp cinnamon
• Crushed peanuts for topping

Substitutions:

• Swap peanut butter to almond or sunflower seed butter
• Swap coconut oil to ghee for a richer flavor
• Swap cream cheese to coconut cream for a dairy-free version
• Swap erythritol to stevia drops to reduce carbs further

Tip: Always use natural peanut butter with only peanuts (and salt) on the label. Brands with added sugar or palm oil will throw off your macros. According to Harvard T.H. Chan School of Public Health, peanuts are high in heart-healthy mono- and polyunsaturated fats exactly the kind of quality fat you want in your peanut butter fat bombs.

Timing

That’s 40 minutes total, about 50% less time than the average baked keto snack recipe. One prep session fuels your entire week.

Step by Step Instructions

Step 1: Mix Your Base

In a large bowl, beat the softened cream cheese and peanut butter together until completely smooth. Add the melted coconut oil, sweetener, vanilla extract, and salt. Mix until you have a thick, glossy batter; it should look like dense cookie dough. (Love that cookie dough vibe? Our keto chocolate chip cookies are your next bake.)

Tip: Make sure your cream cheese is truly at room temperature. Cold cream cheese creates lumps that are hard to mix out. Pull it from the fridge 30 minutes before you start.

Step 2: Shape the Fat Bombs

Line a baking sheet with parchment paper. Using a tablespoon or small cookie scoop, portion out equal mounds of the fat bombs peanut butter mixture. Roll each one gently between your palms into a ball. If the mixture gets too sticky, refrigerate the bowl for 5 minutes to firm it up.

Silicone mini-muffin molds also work perfectly and give you neat, uniform shapes with zero sticking.

Tip: Work quickly the warmth of your hands will soften the mixture fast. Keep a damp towel nearby to wipe your hands between rolls.

Step 3: Freeze Until Firm

Place the tray in the freezer for at least 30 minutes, until the fat bombs are firm to the touch. Once set, transfer them to an airtight container or zip-lock bag with parchment paper between layers.

That’s it. Three steps, one batch, a full week of easy fat bombs ready to go.

Tip: For a softer, fudge-like texture, let them thaw in the fridge for 10 minutes before eating instead of serving straight from the freezer.

Nutritional Information

Per serving (1 fat bomb, based on 16 per batch):

About 83% of calories come from fat, making this a textbook keto snack. Research published in Nutrition & Metabolism suggests high-fat, low-carb snacks can suppress appetite hormones for up to 4 hours, meaning fewer cravings and more focus throughout your day. For a deeper look at how the ketogenic diet works and what the science says, the Harvard T.H. Chan School of Public Health’s ketogenic diet review is an excellent starting point.

Healthier Alternatives

Add more protein: Mix in 2 tbsp of collagen peptides or keto-friendly protein powder to add ~4g protein per bomb with almost no flavor change.

Reduce saturated fat: Replace half the coconut oil with avocado oil for a better omega fatty acid balance.

Boost fiber: Stir in 1 tbsp of ground flaxseed or chia seeds. Adds omega-3s and a subtle nutty depth.

Go dairy-free: Replace cream cheese with chilled, solid coconut cream. Makes the recipe fully vegan and still delicious.

Lower calories: Use powdered peanut butter (like PB2) for half the amount, with the same peanut butter flavor, significantly less fat.

Anti-inflammatory twist: Add ½ tsp turmeric and a pinch of black pepper. It pairs surprisingly well with a cocoa variation.

Serving Suggestions

• Eat straight from the freezer as a cold, satisfying midday snack
• Serve slightly thawed alongside your morning coffee
• Crumble over full-fat Greek yogurt for a quick keto parfait
• Drizzle with melted sugar-free dark chocolate for a dinner party dessert or serve alongside our fudgy keto brownies for the ultimate low-carb dessert board
• Pack in an insulated container for on-the-go fuel during busy days
• Eat one 20 minutes before a workout as a clean pre-exercise energy source
• Give them in a small glass jar tied with a ribbon, a genuinely thoughtful keto-friendly present

Common Mistakes to Avoid

Using cold cream cheese. It won’t blend smoothly with peanut butter. Always bring it to room temperature first.

Using the wrong sweetener. Regular sugar will spike your blood sugar and break ketosis. Stick to erythritol, monk fruit, or allulose.

Skipping the freeze time. These fat bombs need a minimum of 30 minutes to set. Don’t rush it.

Using peanut butter with added sugar or oils. Read the label carefully; the only ingredients should be peanuts and salt.

Making them too large. Keep each bomb to about 1 tablespoon. They’re dense and nutrient-rich, so a small size is plenty satisfying.

Not labeling your container. Frozen fat bombs look like mystery items. Date and label your bag so you always know what you’re grabbing.

Storing Tips

Freezer (recommended):

• Lasts up to 3 months in an airtight container
• Separate layers with parchment paper to prevent sticking
• Freeze flat first so they hold their shape

Refrigerator:

• Lasts up to 2 weeks
• Texture becomes softer and more fudge-like. Many people prefer this
• Great for weekly meal prep batches

Room temperature:

• Softens within 15–20 minutes, not ideal for storage
• Fine for serving at events, but keep them chilled in warm weather

Meal Prep Idea: Double or triple the batch and freeze in weekly portions. Every Sunday, pull 7 fat bombs into the fridge. You’ll have a ready-to-grab snack every single day without any extra effort.

Conclusion

Peanut butter fat bombs are the ultimate keto snack quick to make, macro-perfect, and genuinely delicious. With just 3 steps and a handful of pantry staples, you can prep a full week of easy fat bombs in under an hour. Whether you need a midday pick-me-up or a pre-workout boost, these deliver every time. Looking for more indulgent keto treats? Our creamy keto cheesecake recipe is the perfect next recipe to try.

Give the recipe a try and let us know how it went! Drop a comment on the blog.

FAQs

Peanut Butter Fat Bombs

Recipe by LeeseCourse: SnacksCuisine: American

Servings

16

fat bombs

Prep time

10

minutes

Freeze time

30

minutes

Total time

40

minutes

Peanut Butter Fat Bombs are a creamy keto dessert recipe perfect for sweet cravings.

Ingredients

• 1 cup natural peanut butter (no added sugar)

• 4 oz cream cheese, softened

• 3 tbsp coconut oil, melted

• 3 tbsp powdered erythritol or monk fruit sweetener

• 1 tsp vanilla extract

• ¼ tsp sea salt

Directions

• Mix Your Base:
  In a large bowl, beat the softened cream cheese and peanut butter together until completely smooth. Add the melted coconut oil, sweetener, vanilla extract, and salt. Mix until you have a thick, glossy batter; it should look like dense cookie dough.
• Shape the Fat Bombs:
  Line a baking sheet with parchment paper. Using a tablespoon or small cookie scoop, portion out equal mounds of the fat bombs peanut butter mixture. Roll each one gently between your palms into a ball. If the mixture gets too sticky, refrigerate the bowl for 5 minutes to firm it up.
  Silicone mini-muffin molds also work perfectly and give you neat, uniform shapes with zero sticking.
• Freeze Until Firm:
  Place the tray in the freezer for at least 30 minutes, until the fat bombs are firm to the touch. Once set, transfer them to an airtight container or zip-lock bag with parchment paper between layers.
  That’s it. Three steps, one batch, a full week of easy fat bombs ready to go.

Substitutions:

• Swap peanut butter to almond or sunflower seed butter
  Swap coconut oil to ghee for a richer flavor
  Swap cream cheese to coconut cream for a dairy-free version
  Swap erythritol to stevia drops to reduce carbs further