Name: Dark Chocolate Chunk Oatmeal Cookies Recipe
Prep time: 15 min
Cook time: 12 min
Total time: 1 h 15 min
Cuisine: American
Ingredients: 1 cup (16 Tbsp; 226g) unsalted butter, softened to room temperature; 1 cup (200g) packed light or dark brown sugar; 1/4 cup (50g) granulated sugar; 2 large eggs, at room temperature; 1 Tablespoon pure vanilla extract; 1 Tablespoon (15ml) unsulphured or dark molasses (do not use blackstrap; prefer Grandma’s brand); 1 and 2/3 cups (210g) all-purpose flour (spooned & leveled); 1 teaspoon baking soda; 1 teaspoon ground cinnamon; 1/2 teaspoon salt; 3 cups (255g) old-fashioned whole rolled oats; Two 4-ounce semi-sweet chocolate bars, chopped (about 1 and 1/2 cups); Optional: coarse sea salt for topping

Jump to Recipe· 4.3 from 12 reviews

If you’re on the hunt for a cookie that perfectly balances chewy oats with bursts of rich, melty chocolate, then this Dark Chocolate Chunk Oatmeal Cookies Recipe will quickly become your go-to favorite. These cookies bring together the cozy warmth of cinnamon and molasses with hearty oats and generous chunks of semi-sweet chocolate, resulting in a texture that’s both soft and satisfying. Every bite offers that nostalgic homemade feel, elevated by the unexpected sprinkle of sea salt on top. Whether you’re baking for friends or treating yourself to an indulgent snack, this recipe is a joyous celebration of classic flavors with a decadent twist.

Ingredients You’ll Need

The image shows pieces of dark chocolate on a light wood cutting board, divided into larger chunks and smaller uneven pieces. The chocolate is dark brown with a slightly shiny surface and visible lines from the chocolate mold. The board is placed on a white marbled surface, and the image is bright with soft shadows on the chocolate. photo taken with an iphone --ar 4:5 --v 7

Every ingredient in this Dark Chocolate Chunk Oatmeal Cookies Recipe plays an essential role, from the creamy butter that creates tender dough to the oats that deliver fantastic chewiness and texture. The brown sugar and molasses lend a deep caramel note, while the cinnamon adds subtle warmth. Getting these basics right is the key to nailing a cookie that feels truly special.

Unsalted butter (1 cup, softened): Soft butter helps create creamy dough and a tender crumb—room temperature is key for smooth mixing.
Light or dark brown sugar (1 cup, packed): Adds moisture and rich sweetness with a hint of molasses flavor for depth.
Granulated sugar (1/4 cup): Provides balance and helps cookies develop a slight crisp edge.
Eggs (2 large, room temperature): Bind ingredients together while adding richness and moisture.
Pure vanilla extract (1 Tablespoon): Boosts overall flavor and adds a comforting, sweet aroma.
Unsulphured or dark molasses (1 Tablespoon): Gives a warm, complex sweetness and enhances the cookie’s color and chew.
All-purpose flour (1 and 2/3 cups): Provides structure and balances the texture perfectly without weighing down the cookie.
Baking soda (1 teaspoon): Leavens the cookie, ensuring a light texture and even rise.
Ground cinnamon (1 teaspoon): Adds cozy spice that complements the chocolate and oats beautifully.
Salt (1/2 teaspoon): Rounds out all the flavors and balances the sweetness.
Old-fashioned whole rolled oats (3 cups): The star ingredient for that classic chewy oatmeal cookie texture.
Semi-sweet chocolate bars, chopped (two 4-ounce bars): Large chocolate chunks melt into gooey pockets, making these cookies utterly irresistible.
Optional coarse sea salt: A final sprinkle on top brightens and elevates the chocolate flavors.

How to Make Dark Chocolate Chunk Oatmeal Cookies Recipe

Step 1: Cream Butter and Sugars

Start by creaming together your softened butter and both sugars on medium speed until the mixture is silky smooth and light, about three minutes. This step is crucial because properly creamed butter traps air, helping your cookies have a perfect lift and soft texture. Then, beat in the eggs one at a time to build richness, followed by the vanilla and molasses, which bring that signature warmth and complexity to your cookie dough.

Step 2: Mix Dry Ingredients and Combine

In a separate bowl, whisk together the flour, baking soda, cinnamon, and salt. This dry mix will distribute the leavening agent and spice evenly. Gradually add this to your wet ingredients on low speed to avoid overworking the dough. Next, fold in the rolled oats and generous chunks of semi-sweet chocolate until they are evenly dispersed. At this point, the dough will be thick and sticky, signaling that you’re close to cookie perfection.

Step 3: Chill the Dough

Refrigerate your dough for 30 to 60 minutes. Chilling firms up the dough so the cookies hold shape rather than spreading too much while baking. It also deepens the flavors, making the cinnamon and molasses even more pronounced without losing the gooey bite of chocolate that makes this Dark Chocolate Chunk Oatmeal Cookies Recipe so divine.

Step 4: Preheat and Prep Baking Sheets

Preheat your oven to 350°F (177°C). Line two large baking sheets with parchment paper or silicone mats to prevent sticking and ensure even baking. These simple tools make clean-up a breeze and help your cookies slide right off when they’re done.

Step 5: Scoop and Bake

Using a cookie scoop or spoon, roll dough balls about one and a half tablespoons each and place them two inches apart on the baking sheets. Bake for 11 to 12 minutes until the edges turn golden but the centers still look soft—that’s the sweet spot. Immediately sprinkle coarse sea salt on top if you like that salty-sweet contrast, then let them cool on the baking sheet for five minutes before moving to a wire rack. The cookies will set beautifully as they cool, leaving you with perfectly chewy centers and slightly crisp edges.

How to Serve Dark Chocolate Chunk Oatmeal Cookies Recipe

Several round oatmeal cookies with textured golden-brown surfaces are placed on a white marbled texture. The cookies have visible chunks of dark chocolate embedded throughout, some of which look melted and soft. The tops of the cookies are sprinkled with small grains of coarse sea salt that add contrast. One cookie in the center has a bite taken out, showing a slightly chewy, dense inside with a mix of oats and chocolate. The cookies are arranged with space between them on the smooth white marbled surface. photo taken with an iphone --ar 4:5 --v 7

Garnishes

A light dusting of powdered sugar or a few extra flaked sea salt crystals right after baking can add a beautiful finish that enhances the cookie’s sweetness and texture. Alternatively, warming one briefly and adding a scoop of vanilla ice cream turns this treat into an irresistible dessert.

Side Dishes

These cookies pair wonderfully with a cold glass of milk or a warm cup of coffee or tea. Their bold chocolate flavor and hearty oats make them perfect companions to drinks that balance richness with freshness.

Creative Ways to Present

For a fun twist, stack a few cookies with a layer of creamy peanut butter or cream cheese frosting in between for mini cookie sandwiches. Wrap a few in decorative parchment tied with twine for a heartfelt homemade gift that anyone would be thrilled to receive. The rustic charm of these cookies makes them perfect for both casual sharing and special occasions.

Make Ahead and Storage

Storing Leftovers

Keep any leftover cookies in an airtight container at room temperature for up to one week. This method preserves their tender chewiness while preventing them from drying out. Adding a slice of bread to the container can even help maintain moisture.

Freezing

You can freeze unbaked cookie dough balls for up to two months. Just shape the dough, freeze on a tray, then transfer to freezer bags. Bake straight from frozen, adding a couple of extra minutes to the baking time. Alternatively, baked cookies can be frozen wrapped tightly in plastic wrap and stored in airtight containers to enjoy later.

Reheating

To bring back that freshly baked warmth, microwave a cookie for about 10 seconds or pop it in a preheated 300°F oven for 5 minutes. This revives the melty chocolate and soft texture beautifully, making each bite feel like a fresh treat.

FAQs

Can I use quick oats instead of old-fashioned rolled oats?

While quick oats will work in a pinch, old-fashioned rolled oats give the best chewy texture and hold up well during baking. Quick oats tend to produce a softer, less substantial cookie.

Do I have to chill the dough before baking?

Chilling is highly recommended because it helps the cookies maintain shape and develop deeper flavor. However, if you’re short on time, you can bake immediately; just expect slightly thinner cookies.

Can I substitute dark chocolate chunks with chocolate chips?

Yes, chocolate chips work just fine, though large chunks create gooier, more dramatic pockets of chocolate, which is part of what makes this recipe special.

What does the molasses do in this recipe?

Molasses adds richness, moisture, and a subtle caramel-like flavor that complements the brown sugar and cinnamon, creating a more complex and deeply flavored cookie.

How long do these cookies keep fresh?

Stored properly in an airtight container at room temperature, these cookies stay fresh for up to one week. Their texture and flavor remain delightful throughout.

Final Thoughts

Once you try this Dark Chocolate Chunk Oatmeal Cookies Recipe, you’ll soon understand why it’s become such a beloved classic. The combination of hearty oats, warming spices, and luscious chocolate chunks creates a cookie experience that’s cozy yet indulgent. I can’t wait for you to bake a batch, share them with loved ones, and enjoy the smiles that follow. Happy baking!