Chocolate Hazelnut Fudge Recipe
Introduction
This Chocolate Hazelnut Fudge is a creamy, rich treat that’s completely sugar-free and perfect for keto-friendly indulgence. Made with wholesome ingredients like collagen protein and homemade sugar-free Nutella, it offers a delightful nutty flavor with every bite.

Ingredients
- 1 cup sugar-free condensed milk
- 5 ounces sugar-free chocolate chips
- 1/3 cup homemade sugar-free Nutella
- 1/3 cup allulose sweetener (or erythritol, or a mix)
- 1/3 cup collagen protein powder
- 1 tsp hazelnut extract
- 2/3 cup toasted hazelnuts, chopped
Instructions
- Step 1: Line an 8×8 inch square pan with parchment or waxed paper. Lightly grease the paper to prevent sticking.
- Step 2: Pour the sugar-free condensed milk into a medium saucepan and heat over medium-low heat. Stir occasionally until it just begins to simmer, then remove from heat.
- Step 3: Add the sugar-free chocolate chips and homemade sugar-free Nutella to the warm condensed milk. Let it sit for a few minutes to allow the chocolate to melt, then whisk until smooth.
- Step 4: Stir in the allulose sweetener, collagen protein powder, and hazelnut extract until fully combined. Then fold in about two-thirds of the chopped toasted hazelnuts.
- Step 5: Spread the mixture evenly into the prepared pan. Sprinkle the remaining chopped hazelnuts on top for added crunch.
- Step 6: Refrigerate the fudge for 3 to 4 hours, or until firm. Once set, lift the fudge out using the edges of the parchment paper and place on a cutting board.
- Step 7: Use a large sharp knife to cut the fudge into 16 bars. Serve chilled and enjoy!
Tips & Variations
- For extra richness, use high-quality sugar-free dark chocolate chips.
- Substitute hazelnut extract with vanilla extract if you prefer a milder nutty flavor.
- Try adding a pinch of sea salt on top before refrigerating for a salted caramel twist.
- Make it nut-free by omitting the chopped hazelnuts and using almond extract instead of hazelnut extract.
Storage
Store the fudge bars in an airtight container in the refrigerator for up to two weeks. For longer storage, freeze them for up to three months. To serve, let thaw in the fridge or at room temperature for a few minutes.
How to Serve

Serve this delicious recipe with your favorite sides.
FAQs
Can I use regular sweetened condensed milk instead?
Regular sweetened condensed milk will add sugars and affect the keto-friendly nature of the fudge. Using sugar-free condensed milk keeps it low-carb and suitable for sugar-restricted diets.
How do I toast hazelnuts at home?
Spread hazelnuts on a baking sheet and toast in a 350°F (175°C) oven for about 10 minutes, stirring halfway through, until golden and fragrant. Let them cool before chopping.
PrintChocolate Hazelnut Fudge Recipe
This Chocolate Hazelnut Fudge is a rich, sugar-free treat perfect for those seeking a low-carb dessert. Made with sugar-free condensed milk, chocolate chips, homemade sugar-free Nutella, and collagen protein powder, it combines the creamy texture of fudge with the delightful crunch of toasted hazelnuts. Sweetened with allulose, it’s a guilt-free indulgence that sets perfectly in the refrigerator for an easy no-bake dessert.
- Prep Time: 10 minutes
- Cook Time: 10 minutes
- Total Time: 4 hours 20 minutes
- Yield: 16 bars 1x
- Category: Dessert
- Method: Stovetop
- Cuisine: American
- Diet: Low Carb
Ingredients
Fudge Base
- 1 cup sugar-free condensed milk
- 5 ounces sugar-free chocolate chips
- 1/3 cup homemade sugar-free Nutella
- 1/3 cup allulose sweetener (or erythritol, or a mix)
- 1/3 cup collagen protein powder
- 1 tsp hazelnut extract
Mix-ins and Topping
- 2/3 cup toasted hazelnuts, chopped
Instructions
- Prepare Pan: Line an 8×8 inch square pan with parchment or waxed paper and lightly grease it to prevent sticking.
- Heat Condensed Milk: Pour the sugar-free condensed milk into a medium saucepan over medium-low heat. Stir continuously until it just begins to simmer. Remove the saucepan from the heat to avoid burning.
- Melt Chocolate and Nutella: Add the sugar-free chocolate chips and homemade sugar-free Nutella to the warm condensed milk. Let the mixture sit for a few minutes to allow the chocolate to melt, then whisk thoroughly until smooth and combined.
- Add Sweetener and Flavorings: Stir in the allulose sweetener (or preferred sweetener), collagen protein powder, and hazelnut extract until the mixture is fully smooth. Fold in about two-thirds of the chopped toasted hazelnuts evenly.
- Set in Pan: Pour and spread the fudge mixture evenly into the prepared pan. Sprinkle the remaining chopped hazelnuts evenly over the top for added texture and presentation.
- Refrigerate to Firm: Place the pan in the refrigerator for 3 to 4 hours to allow the fudge to firm up completely.
- Cut and Serve: Use the parchment paper edges to lift the fudge out of the pan. Transfer to a cutting board and slice into 16 bars using a large sharp knife. Enjoy chilled!
Notes
- Ensure toasting hazelnuts enhances their flavor; toast them in a dry skillet or oven until golden and fragrant before chopping.
- Use a sharp knife warmed slightly under hot water for cleaner cuts.
- Store fudge bars in an airtight container in the refrigerator for up to one week.
- You can customize sweetness by adjusting the amount or type of sweetener.
- If homemade sugar-free Nutella is unavailable, you can substitute with any sugar-free hazelnut spread.
Keywords: Chocolate Hazelnut Fudge, sugar-free fudge, low carb desserts, keto fudge, sugar-free chocolate, collagen fudge

