Chocolate Hazelnut Oat Snack Bars

Highlighted under: Baking & Desserts

I absolutely love creating nutritious snacks that satisfy my sweet tooth, and these Chocolate Hazelnut Oat Snack Bars are a perfect example. With creamy hazelnut butter, rich cocoa powder, and rolled oats, they serve as an ideal pick-me-up during a busy day. The combination of textures and flavors is so delightful, and I find they are also a hit with family and friends. These bars are not only convenient but incredibly easy to make, making them my go-to for a quick energy boost.

Autumn Pierce

Created by

Autumn Pierce

Last updated on 2026-01-14T02:01:19.432Z

When I first made these Chocolate Hazelnut Oat Snack Bars, I was blown away by how delicious and satisfying they are. The rich, nutty flavor from the hazelnuts pairs perfectly with the chocolate, making these bars feel like a treat without sacrificing nutrition. I used creamy hazelnut butter to enhance the flavor, and the combination worked wonderfully.

One of my favorite parts about this recipe is how interchangeable the ingredients are. If you're out of hazelnut butter, almond or peanut butter works just as well. Plus, you can add seeds or dried fruits to personalize the bars to your taste. This flexibility means I can make them repeatedly with different variations, keeping our snack game interesting!

Why You'll Love These Snack Bars!

  • Nutty hazelnut flavor balanced with rich chocolate
  • Healthy ingredients that offer lasting energy
  • Great for meal prep and on-the-go snacking
  • Customizable with your favorite mix-ins

Texture and Flavor Profiles

These Chocolate Hazelnut Oat Snack Bars boast a unique blend of textures that make each bite delightful. The rolled oats provide a chewy base, while the creamy hazelnut butter adds richness. If you use mini chocolate chips, they offer a sweet surprise, melting slightly into the bars during baking. I find the crunchy chopped hazelnuts sprinkled throughout delivers a satisfying contrast, ensuring you enjoy a snack that is as pleasurable to eat as it is nutritious.

The flavor combination of hazelnut and cocoa powder in these bars cannot be overstated. The nutty flavor of the hazelnut butter perfectly complements the deep, rich notes of the cocoa. Even though they are wholesome, these snack bars taste indulgent, making it feel like you're treating yourself while still being mindful of nutrition. This balance is especially appealing when you're craving something sweet without the guilt.

Ingredient Insights and Substitutions

Hazelnut butter is the star ingredient in these snack bars, providing both flavor and healthy fats. If you can't find hazelnut butter or prefer a different option, almond butter works wonderfully as a substitute. However, this will slightly alter the flavor profile, giving it a more subtle nuttiness. If you need nut-free alternatives, sunflower seed butter is a fantastic option that still maintains the right texture and binding properties.

The choice between honey and maple syrup for sweetening can also affect the final taste. Honey gives a more floral sweetness, while maple syrup provides a caramel note. Either works beautifully, and it's a matter of personal preference. Just keep in mind that the moisture content can slightly vary with each sweetener; if your mixture seems too dry, consider adding an extra tablespoon of liquid to reach the desired consistency.

Storage and Serving Suggestions

These bars are perfect for meal prepping since they store well. After cutting them into bars, I recommend placing parchment paper between layers in an airtight container to prevent sticking. They can be kept at room temperature for about a week, but if you want longer storage, refrigerate them; they’ll remain fresh for up to two weeks. You can also freeze them for up to three months. Just wrap them individually and allow them to thaw at room temperature before enjoying.

For serving, I love to pair these bars with a cup of tea or coffee as a delightful afternoon snack. You can also crumble them over yogurt or smoothies for added texture and flavor. If you’re feeling adventurous, drizzling some additional hazelnut butter or melted dark chocolate on top before serving adds an appealing touch and flavors that enhance the overall experience.

Ingredients

Ingredients

For the Snack Bars

  • 1 cup rolled oats
  • 1/2 cup hazelnut butter
  • 1/4 cup honey or maple syrup
  • 1/4 cup cocoa powder
  • 1/2 teaspoon vanilla extract
  • 1/4 teaspoon salt
  • 1/2 cup chopped hazelnuts
  • 1/4 cup mini chocolate chips (optional)

Instructions

Instructions

Prepare the Pan

Preheat your oven to 350°F (175°C) and line an 8x8 inch baking pan with parchment paper, leaving some overhang for easy removal later.

Mix the Ingredients

In a large bowl, combine the rolled oats, hazelnut butter, honey (or maple syrup), cocoa powder, vanilla extract, and salt. Stir until well combined. Fold in the chopped hazelnuts and mini chocolate chips if using.

Bake

Spread the mixture evenly into the prepared baking pan. Bake for 25 minutes or until firm. Allow to cool completely in the pan before lifting out using the parchment paper.

Cut and Store

Once cool, cut into 12 bars and store in an airtight container. These bars can be stored at room temperature for several days or in the refrigerator for longer freshness.

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Pro Tips

  • For added crunch, consider incorporating seeds such as chia or pumpkin seeds into the mixture.

Troubleshooting Common Issues

If you find that your bars are crumbling too much when you cut them, it might be due to insufficient binding from the hazelnut butter or sweetener. Make sure to stir the mixture thoroughly until it’s well combined before spreading it into the pan. If needed, you can add another tablespoon of hazelnut butter to help with binding.

On the other hand, if they turn out too dry, check your baking time. Every oven is different; so, even a couple of extra minutes can cause them to become crumbly. I recommend keeping a close eye on your bars and testing them at the 20-minute mark. You want them to be firm but not overcooked when you take them out.

Variations to Try

These bars are highly customizable, allowing you to introduce new flavors and textures. Consider adding dried fruits like cranberries or apricots for sweetness and chewiness. Just remember that you'll want to chop them finely so they integrate well without overpowering the texture of the bars.

You can also experiment with different types of cocoa powder. Using dark cocoa powder will give your bars an intense chocolate flavor, while cacao powder offers a more raw, earthy taste. For added spice, a dash of cinnamon or cayenne can create an unexpected kick that complements the chocolate and hazelnut.

Questions About Recipes

→ Can I use a different nut butter?

Yes, almond butter or peanut butter can be used as a substitute for hazelnut butter.

→ How should I store the bars?

Store the bars in an airtight container at room temperature for up to a week, or in the refrigerator for up to two weeks.

→ Can I freeze these snack bars?

Absolutely! You can freeze the bars for up to three months. Just wrap them individually for easy snacking.

→ What can I add to customize the flavor?

Feel free to add dried fruits, seeds, or even protein powder to mix things up and enhance the nutrition!

Chocolate Hazelnut Oat Snack Bars

I absolutely love creating nutritious snacks that satisfy my sweet tooth, and these Chocolate Hazelnut Oat Snack Bars are a perfect example. With creamy hazelnut butter, rich cocoa powder, and rolled oats, they serve as an ideal pick-me-up during a busy day. The combination of textures and flavors is so delightful, and I find they are also a hit with family and friends. These bars are not only convenient but incredibly easy to make, making them my go-to for a quick energy boost.

Prep Time15 minutes
Cooking Duration25 minutes
Overall Time40 minutes

Created by: Autumn Pierce

Recipe Type: Baking & Desserts

Skill Level: Easy

Final Quantity: 12 bars

What You'll Need

For the Snack Bars

  1. 1 cup rolled oats
  2. 1/2 cup hazelnut butter
  3. 1/4 cup honey or maple syrup
  4. 1/4 cup cocoa powder
  5. 1/2 teaspoon vanilla extract
  6. 1/4 teaspoon salt
  7. 1/2 cup chopped hazelnuts
  8. 1/4 cup mini chocolate chips (optional)

How-To Steps

Step 01

Preheat your oven to 350°F (175°C) and line an 8x8 inch baking pan with parchment paper, leaving some overhang for easy removal later.

Step 02

In a large bowl, combine the rolled oats, hazelnut butter, honey (or maple syrup), cocoa powder, vanilla extract, and salt. Stir until well combined. Fold in the chopped hazelnuts and mini chocolate chips if using.

Step 03

Spread the mixture evenly into the prepared baking pan. Bake for 25 minutes or until firm. Allow to cool completely in the pan before lifting out using the parchment paper.

Step 04

Once cool, cut into 12 bars and store in an airtight container. These bars can be stored at room temperature for several days or in the refrigerator for longer freshness.

Extra Tips

  1. For added crunch, consider incorporating seeds such as chia or pumpkin seeds into the mixture.

Nutritional Breakdown (Per Serving)

  • Calories: 210 kcal
  • Total Fat: 10g
  • Saturated Fat: 1g
  • Cholesterol: 0mg
  • Sodium: 50mg
  • Total Carbohydrates: 30g
  • Dietary Fiber: 4g
  • Sugars: 8g
  • Protein: 6g