Low Carb Keto Peanut Butter Fudge Recipe

The Ultimate Low Carb Keto Peanut Butter Fudge Recipe

Low-carb keto peanut butter fudge stands as a decadent dessert that defies traditional sugar-laden expectations.

Sweet cravings often derail healthy eating plans, but this rich treat offers a delightful alternative.

Smooth and luxurious textures characterize this simple confection, which transforms basic ingredients into a mouthwatering experience.

Creamy and indulgent, the fudge delivers intense flavor without compromising nutritional goals.

Minimal preparation ensures anyone can craft this delectable dessert with minimal effort.

Fat-forward and satisfying, the recipe provides a perfect balance of richness and sweetness.

The result promises a guilt-free indulgence that melts effortlessly, leaving you craving more:

Why Peanut Butter Fudge Feels Like a Sweet Win

Why Peanut Butter Fudge Feels Like a Sweet Win
  • Craft Super Quick Keto Treat: Whip up this low-carb peanut butter fudge in just minutes with minimal ingredients and no complicated cooking techniques.
  • Indulge Without Guilt: Enjoy a rich, creamy dessert that satisfies sweet cravings while staying perfectly aligned with ketogenic diet requirements and maintaining low carbohydrate intake.
  • Customize Effortless Flavor: Easily adjust sweetness levels and experiment with different nut butter varieties to create a personalized dessert that matches individual taste preferences and dietary needs.
  • Freeze and Forget Storage: Simple freezer storage method allows for convenient preparation in advance, making this fudge an ideal make-ahead treat that stays fresh and delicious for weeks with minimal effort.

Everything That Goes Into This Creamy Keto Treat

Base Ingredients:
  • Peanut Butter: Creamy and rich base that provides classic nutty flavor, best when using natural unsweetened variety.
  • Butter: Adds richness and helps create smooth, melt-in-your-mouth texture, preferably unsalted for better control of sweetness.
Sweetening and Binding Ingredients:
  • Sweetener, Collagen Powder: Low-carb sweetener balances taste while collagen adds protein and smooth consistency, choose powdered erythritol or monk fruit for best results.
  • Vanilla Extract: Enhances overall flavor profile with warm, classic undertone, pure extract recommended for best taste.
Preparation Ingredients:
  • Parchment Paper: Ensures easy removal and clean cutting of fudge, prevents sticking and helps with smooth presentation.

How to Mix, Set, and Slice the Fudge Just Right

How to Mix, Set, and Slice the Fudge Just Right

Step 1: Prepare the Baking Canvas

Line an 8×8 inch (20×20 cm) baking pan with parchment paper, ensuring extra edges hang over the sides for easy removal.

Step 2: Create the Creamy Base

In a microwave-safe bowl or saucepan, combine:
  • Peanut butter
  • Butter

Gently heat on low, stirring occasionally until the mixture becomes smooth and luxurious.

Step 3: Blend the Flavor Enhancers

Stir in:
  • Sweetener
  • Collagen powder

Mix thoroughly until completely incorporated. Taste and adjust sweetness if desired. Remove from heat and add vanilla extract for an extra flavor boost.

Step 4: Shape and Freeze

Spread the mixture evenly into the prepared pan, creating a smooth surface. Place in the freezer for 30-45 minutes until the fudge becomes perfectly firm.

Step 5: Slice and Unveil

Remove the pan from the freezer. Lift the parchment paper onto a cutting board. Run a knife under hot water, quickly dry it, and slice into delectable squares.

Step 6: Store and Enjoy

Transfer the fudge to an airtight container and keep in the freezer. For the best texture, let the fudge sit at room temperature for a couple of minutes before serving.

Pro Tip: This low-carb treat is perfect for satisfying sweet cravings while staying true to your keto lifestyle. The creamy texture and rich peanut butter flavor will make this a go-to dessert that feels completely indulgent.

Tips for a Smooth, Melt-in-Your-Mouth Texture

  • Choose Premium Peanut Butter: Select natural, unsweetened peanut butter with thick, creamy consistency to guarantee rich flavor and perfect fudge texture.
  • Master Gentle Melting: Use low, consistent heat when combining ingredients to prevent burning and maintain smooth, silky chocolate-like quality.
  • Pulverize Sweetener Perfectly: Transform granulated sweeteners into ultra-fine powder using a blender or food processor for seamless integration and zero graininess.
  • Chill for Precision Cutting: Ensure complete freezing for 30-45 minutes, allowing fudge to set firmly and enabling clean, professional-looking slices.
  • Slice Like a Pro: Dip your knife in hot water, quickly dry, and cut swiftly through cold fudge to create restaurant-worthy, uniform squares that impress everyone.

How to Keep It Fresh Without Refrigeration Woes

  • Freezer Storage: Seal individual fudge pieces in vacuum-sealed bags to prevent freezer burn and maintain pristine flavor. Stack layers between parchment paper for easy separation and prevent sticking during long-term preservation.
  • Refrigerator Container: Select a glass or ceramic container with a tight-fitting lid to preserve moisture and prevent absorption of other food odors. Wrap the container in plastic wrap for an extra layer of protection against air exposure.
  • Counter Rest: Allow freshly made fudge to cool completely at room temperature before transferring to storage. Keep away from direct sunlight and heat sources to maintain structural integrity and prevent unwanted melting or texture changes.

Flavorful Spins for Nutty Fudge Fans

  • Almond Butter Bliss: Swap peanut butter with creamy almond butter for a nutty alternative. Use sugar-free almond extract for extra flavor depth.
  • Chocolate Swirl Special: Mix in sugar-free dark chocolate chips or drizzle melted sugar-free chocolate on top before freezing. Creates a rich, decadent layer of chocolate goodness.
  • Coconut Crunch Edition: Sprinkle unsweetened shredded coconut on top or mix into the fudge base. Add chopped macadamia nuts for extra crunch and tropical feel.
  • Protein Power Boost: Replace collagen powder with unflavored whey protein powder. Increases protein content while maintaining the smooth, creamy texture of the original fudge.

Ending on a Decadent Note

Sweet sensations await with this low-carb keto peanut butter fudge, blending rich flavors and guilt-free indulgence.

Chocolate enthusiasts and health-conscious snackers will adore this simple, creamy treat packed with protein and minimal carbohydrates.

Smooth peanut butter meets luxurious butter, creating a melt-in-your-mouth experience that satisfies sweet cravings without compromising nutritional goals.

Collagen powder adds an extra wellness boost, making this recipe more than just a dessert.

Freezer-friendly preparation ensures quick enjoyment whenever hunger strikes.

Can absolute deliciousness meet nutritional wisdom?

You’ll discover pure magic in each square – so snap a photo, share this recipe with friends who crave healthy treats, and spread delectable joy across social media platforms!

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Low Carb Keto Peanut Butter Fudge Recipe

Low Carb Keto Peanut Butter Fudge Recipe


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4.6 from 33 reviews

  • Total Time: 10 minutes
  • Yield: 12 1x

Description

Silky smooth keto peanut butter fudge delivers rich, creamy indulgence without guilt. Chocolate drizzle and smooth texture make this treat a perfect low-carb dessert for health-conscious sweet lovers.


Ingredients

Scale

Main Ingredients:

  • 1 ½ cups / 375 grams peanut butter
  • 6 tablespoons / 85 grams unsalted butter
  • ⅔ cup / 100 grams powdered monk fruit allulose blend

Protein and Flavor Enhancers:

  • ¼ cup / 25 grams collagen protein powder
  • 1 teaspoon vanilla extract

Instructions

  1. Prepare the baking vessel by lining an 8×8 inch (20×20 cm) pan with parchment paper, ensuring slight overhang on all sides for easy removal.
  2. Create a smooth base by gently melting peanut butter and butter together in a microwave-safe bowl or saucepan, stirring periodically until completely liquefied and uniform in texture.
  3. Incorporate dry ingredients by thoroughly blending the sweetener and collagen powder into the melted mixture, ensuring no lumps remain. Evaluate the sweetness and make subtle adjustments if necessary.
  4. Infuse flavor by stirring in vanilla extract, mixing until the entire composition becomes harmoniously combined.
  5. Transfer the mixture to the prepared pan, using a spatula to distribute evenly and create a smooth, level surface.
  6. Place the pan in the freezer for 30-45 minutes, allowing the fudge to solidify completely and develop a firm, slice-able consistency.
  7. Remove from freezer and lift the parchment paper onto a cutting board. Warm a knife under hot water, quickly dry, and slice into precise squares.
  8. Store the fudge in an airtight container within the freezer. For optimal texture, allow pieces to rest at room temperature for 2-3 minutes before serving.

Notes

  • Select thick, creamy peanut butter without added sugar to ensure the best flavor and smooth consistency. Natural versions need thorough stirring before use.
  • Gently heat butter and peanut butter at low temperature, stirring constantly to prevent burning and maintain a silky texture.
  • Transform granulated sweetener into fine powder using a blender or food processor to eliminate graininess when mixing ingredients.
  • Completely freeze the fudge for 30-45 minutes, allowing it to set firmly and create perfectly clean cutting edges.
  • Dip a knife in hot water, quickly dry it, and slice the chilled fudge to achieve professional-looking, precise squares.
  • Prep Time: 5 minutes
  • Cook Time: 5 minutes
  • Category: Snacks, Desserts
  • Method: Blending
  • Cuisine: American

Nutrition

  • Serving Size: 12
  • Calories: 193 kcal
  • Sugar: 0.8g
  • Sodium: 100mg
  • Fat: 16.3g
  • Saturated Fat: 4.5g
  • Carbohydrates: 4.5g
  • Fiber: 1.5g
  • Protein: 7.5g
  • Cholesterol: 10mg
Julian Park

Julian Park

Co-Founder, Cuisine Researcher & Food Culture Writer

Expertise

  • Global Food Cultures & Culinary History
  • Regional Flavor Profiles & Cooking Techniques
  • Food Anthropology & Cultural Identity
  • Culinary Research & Narrative Writing
  • Street Food Traditions & Heritage Dishes

Education

The Institute of Culinary Education (ICE), Los Angeles, CA

  • Degree: Certificate in Culinary Arts
  • Focus: Professional culinary techniques, global cuisine fundamentals, and real-world training in restaurant-style cooking and food presentation.

Julian Park is a natural storyteller at The Dream Café who blends hands-on culinary experience with a passion for exploring global food traditions. A graduate of The Institute of Culinary Education in Los Angeles, Julian combines professional technique with a love for cultural discovery, diving into how dishes reflect heritage, migration, and identity. 

His work spans everything from in-depth cuisine guides to reflections on everyday meals around the world. With a curious palate and a journal always close by, Julian helps readers connect with food in a way that feels so insightful and personal.

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