Peanut Butter Swirl Fat Bombs

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

Creamy peanut butter and chocolate fat bombs with a subtle crunch, ideal for a quick energy boost during the day. This american-inspired keto ready in about 12 minutes pairs natural peanut butter, dark chocolate chips, coconut oil for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 112 calories and feeds 10, so it slots cleanly into a low-carb week and pairs well with cauliflower rice or roasted green vegetables. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Prep: 12 min Serves 10 American cuisine 112 cal/serving
Build a week of meals around this recipe → Shop this recipe on Instacart → Shop equipment ↓

Ingredients

Equipment for this recipe

Top-rated tools to make this recipe successfully.

More Bakeware & baking tools → Shop all kitchen tools →

Instructions

  1. Step 1: Melt dark chocolate chips with coconut oil in a microwave-safe bowl in 20-second intervals, stirring until smooth and glossy.
  2. Step 2: Stir peanut butter, cinnamon, and erythritol into the melted chocolate until fully incorporated and no lumps remain.
  3. Step 3: Pour the mixture into a silicone mold or lined baking sheet, then swirl with a toothpick for a marbled effect, then refrigerate for 25 minutes until set.

Frequently asked questions

How long does Peanut Butter Swirl Fat Bombs take to make?

Total time is about 12 minutes (12 min prep + 0 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.

How do I store leftover Peanut Butter Swirl Fat Bombs?

Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep natural peanut butter from drying out.

Can I substitute ingredients in Peanut Butter Swirl Fat Bombs?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale Peanut Butter Swirl Fat Bombs for a different number of people?

The recipe is written for 10 servings. Multiply each ingredient by (your serving target / 10). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

What goes well with Peanut Butter Swirl Fat Bombs?

American keto like this pair well with a low-carb side — cauliflower rice, roasted broccoli or asparagus, or a leafy salad with olive oil and parmesan. Rice, couscous and bread would blow the carb budget this recipe is built around. Tap "Plan a meal with the AI" to get specific side suggestions.

What others are saying