Bowl filled with oat and dark chocolate cookies flavored with orange zest

I’d been craving something sweet all day and, after working myself to death on the elliptical first thing in the morning, I really didn’t want to undo all that hard work with a heavy dessert. 😁

So I decided to make a lighter version that would still satisfy my chocolate cravings. And since I’ve been absolutely loving the combination of dark chocolate and orange lately, I ended up making these dark chocolate orange oatmeal cookies.

They’re simple flourless cookies with no added sugar, with all the sweetness coming from the chocolate. They take just a few minutes to make and require only a handful of ingredients that you probably already have in your pantry.

Why You’ll Love These Dark Chocolate Orange Cookies

First of all, because they’re incredibly easy to make. You don’t need any special techniques or fancy equipment, and there’s no long list of ingredients to worry about.

These aren’t your classic crisp, buttery cookies made with flour and sugar. In fact, they contain no flour and no added sugar. Ground oats take the place of flour, while the chocolate provides all the sweetness. 😁

The cookies have a slightly dense, soft texture on the inside, with a rich chocolate flavor and a lovely hint of orange. The almonds and oats add extra texture and make them a little more interesting than a basic chocolate cookie.

If you love the combination of dark chocolate and orange, I think you’re going to enjoy these cookies too. 😉

Spoonfuls of oat and chocolate cookie dough arranged on a parchment-lined baking sheet

A Few Tips for Making the Best Chocolate Orange Cookies

For an intense orange flavor, use finely grated zest from a well-washed orange. Be careful not to grate into the white part of the peel, as it can taste bitter. I always prefer freshly grated orange zest over orange extract. For the best results, use organic or unwaxed oranges.

Choose your chocolate based on how sweet you like your cookies. I used 85% dark chocolate because I love its intense flavor and think it pairs beautifully with orange. If you prefer sweeter cookies, you can easily use dark chocolate with a lower cocoa percentage.

There’s no need to buy oat flour or almond flour. If you already have rolled oats and almonds at home, simply grind them in a food processor until they have a flour-like consistency. They don’t need to be perfectly fine.

If you want to experiment with the recipe, you can add hazelnuts, walnuts, or a few extra chunks of dark chocolate. Personally, I’d try the simple version first, because the combination of oats, almonds, chocolate, and orange works really well on its own.

How to Store Oatmeal Chocolate Cookies

These cookies keep well at room temperature for 3–4 days when stored in an airtight container. If you want to keep them longer, you can store them in the refrigerator for up to one week.

Close-up of freshly baked oat and dark chocolate cookies

Frequently Asked Questions

Are These Cookies Gluten-Free?

The recipe doesn’t contain wheat flour, but regular oats can come into contact with gluten during processing. If you need these cookies to be completely gluten-free, make sure to use certified gluten-free oats.

Can I Replace the Almonds with Other Nuts or Seeds?

Yes! You can use walnuts, hazelnuts, or even sunflower seeds, ground in the same way as the almonds. The final texture may vary slightly depending on what you use, but the recipe remains just as simple.

What Type of Chocolate Is Best for This Recipe?

I recommend using dark chocolate with at least 70% cocoa, since it’s the only source of sweetness in the recipe and creates a great balance with the orange flavor. The lower the cocoa percentage, the sweeter the cookies will be.

Can I Use Lemon or Lime Zest Instead of Orange?

Absolutely. Both work well with dark chocolate. Lemon zest adds a slightly more tangy flavor, while lime zest gives the cookies a fresher, brighter note.

Can I Freeze These Cookies?

Yes! The unbaked cookie dough freezes very well. Scoop the dough onto a tray and place it in the freezer until firm, then transfer the dough balls to a freezer bag. You can bake them straight from frozen—just add a few extra minutes to the baking time.

More Chocolate Recipes to Try

If you made it this far because you love chocolate desserts, here are a few more recipes you might want to try:

Brownie Cookies with Walnuts and Caramel – for those days when “just a little chocolate” simply isn’t an option. 😁

Chocolate Marshmallow Cookies – basically hot chocolate transformed into cookies.

Brownie Sandwich Cookies with Mango Ganache and Raspberry – the combination of chocolate, mango, and raspberry is seriously good.

Chocolate Coffee Blondies – if you want to switch things up a little while staying firmly in chocolate dessert territory.