Whenever I’m looking for a really indulgent treat, my mind automatically thinks of these chocolate hazelnut cookies! Picture this: Intensely, rich flavor, soft centers, chewy edges, crunchy roasted hazelnuts… I mean… what’s not to like!?

I recently made these chocolate hazelnut cookies for my family and they were a hit!

Let me show you how to make them!

Ingredients You’ll Need

Unsalted butter. Always use unsalted butter as it gives you complete control over the flavor of a recipe.
Brown sugar and granulated sugar. Sugar is what keeps cookies soft in general plus when you add more brown sugar than granulated sugar, the cookies will result in an even chewier texture with a caramel-like taste because of the molasses.
Egg. This acts as a binder that binds all the ingredients together.
Dutch-press cocoa powder.
Vanilla extract and salt. The best flavor enhancers.
All-purpose flour. The most versatile flour that gives these cookies structure. Be careful not to overmix the dough as it may result in pancake-like cookies.
Baking soda. This acts as the leavener helping these cookies rise a bit without letting them spread too thin.
Hazelnuts and chopped dark chocolate. Salty, sweet, crunchy, nutty, rich, chocolatey flavors!

bowl with cookie dough, chopped chocolate and chopped hazelnuts and cookie dough balls on a baking sheet

Recommended For This Recipe

Cookie Scoop

The easiest way to get perfectly uniform cookies! It’s also dishwasher safe, making clean up a breeze.

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How To Make Double Chocolate Hazelnut Cookies

Preheat the oven. You always want to preheat the oven about 20 minutes before baking cookies. You can check your oven temperature with an oven thermometer to make sure it is properly heating up.
Make the cookie batter. In a mixer or large bowl, cream the melted butter and sugars together until smooth. Add the egg and vanilla extract. Mix until smooth and well combined. To the same bowl, add flour, Dutch process cocoa powder, baking soda, and salt. Mix the wet and dry ingredients together until just combined. Do NOT over mix. Fold in the chopped chocolate and chopped roasted hazelnuts.
Form the cookie dough balls. Using this cookie scoop, form the dough into balls. Each dough ball should be 1 1/2 tablespoons of dough. Place them on a baking sheet and refrigerate the dough balls for, at least, 20 minutes (the longer, the better). You can freeze any leftover dough for future use.
Bake these chocolate hazelnut cookies! Line a baking sheet with parchment paper and place dough balls on the baking sheet. Bake for 10-11 minutes until the edges are golden brown. Remove from oven and sprinkle with flaky sea salt. It’s ok if they are a little undercooked, they will continue to bake as they cool. Cool for 5 minutes before serving.

The best tips for the perfect chocolate cookies from scratch

Follow directions to a T. First, make sure to follow the recipe exactly as it is stated below. Baking is not like cooking; any minimal change may alter the final result.
Don’t over mix. Make sure you DO NOT over mix the wet and dry ingredients. It’ll let air into the batter and make the cookies go flat.
Baking soda only! Make sure you’re using baking soda, not baking powder. Huge difference.
Just chill man. Yes, chilling the cookies in the fridge for at least 20 minutes is annoying but I guarantee the longer you chill the dough, the better the flavor will be.
Underbake them. To keep these cookies soft, make sure you bake them for no more than 11 minutes. You want them to be slightly underbaked. They will continue to cook as they cool anyway however it does help them stay softer for a longer time.
Let them cool. Once you take them out of the oven, let them cool completely before serving. Place them in an air-tight container in the fridge for up to a week. When you’re ready to eat, just pop one in the microwave for 10 seconds.

How do you store these chocolate hazelnut cookies?

Once the chocolate cookies have cooled completely, transfer them to an airtight container to retain their chewy texture. They will stay fresh for 1 week at room temperature. You can also freeze them for up to 3 months.

Can you substitute regular cocoa powder for Dutch process?

Yes, of course, however, I highly recommend buying Dutch process cocoa powder whenever you make chocolate cookies. Dutch process cocoa powder provides a more intense chocolate flavor which really elevates any cookie recipe! This is the brand I recommend.