Brownie Core Jumbo Chocolate Chunk Cookies
April 13, 2026
Thick chocolate cookies packed with chunks of milk and dark chocolate and a rich, fudgy brownie center baked right inside!
Brownie Core Jumbo Chocolate Chunk Cookies are made for chocolate lovers. You’ve got thick chocolate cookies, layers of melty chocolate chunks, and a full brownie center baked right inside. Break one open and it’s soft, rich, and a mashup of two classic desserts. This is one of those cookies you’ll still be thinking about days later.
Flavor Profile
These cookies lean deep and rich without feeling too heavy. The cookie dough itself has that soft, slightly crisp edge with a gooey center, while the brownie core brings in a fudgy texture. You get milk chocolate for sweetness, dark chocolate for contrast, and that soft brownie middle tying everything together. Every bite hits a little different depending on where you land.
Why You’ll Love This Recipe
- Big, bakery-style cookies with a thick, soft center that feels extra indulgent.
- Loaded with milk and dark chocolate chunks for layered flavor and texture.
- Hidden brownie filling adds a rich, fudgy surprise inside.
- Holds its shape while staying soft and slightly underbaked in the center.
- Perfect for sharing, gifting, or saving for later since they stay soft for days.
The Twist
The brownie core center is baked right inside the cookie. Instead of mixing brownie pieces into the dough, there’s a full, soft center inside each cookie, so every bite has that contrast between cookie and fudgy filling.
Ingredient Highlights
- Cocoa powder: Adds depth to both the cookie dough and brownie center for a rich chocolate base.
- Cornstarch: Helps keep the cookies soft and thick instead of spreading too much.
- Cold butter: Gives structure and keeps that tall, bakery-style shape.
- Light brown sugar: Adds moisture and a slight caramel flavor.
- Mini chocolate chips: Blend smoothly into the brownie center for even texture.
- Milk and dark chocolate chips: Create contrast between sweet and rich chocolate layers.
Brownie Core Jumbo Chocolate Chunk Cookies
Ingredients
Brownie Batter Filling
- ½ cup heat-treated all-purpose flour
- ¼ cup unsweetened cocoa powder
- ⅓ cup powdered sugar
- 2 tablespoons light brown sugar
- ¼ teaspoon salt
- ¼ cup butter, melted and slightly cooled
- 1 tablespoon milk
- ½ teaspoon vanilla extract
- ¼ cup mini chocolate chips
Chocolate Cookie Dough
- 3 cups all-purpose flour
- ½ cup unsweetened cocoa powder
- 1 tablespoon cornstarch
- 1 teaspoon baking soda
- ½ teaspoon baking powder
- ¾ teaspoon salt
- 1 cup cold butter, cubed
- 1 cup light brown sugar
- ½ cup granulated sugar
- 2 large eggs
- 1 tablespoon vanilla extract
- 1 cup milk chocolate chips
- 1 cup dark or semi-sweet chocolate chips
FAQ
Do I have to heat-treat the flour?
Yes, since the brownie filling isn’t fully baked on its own, heat-treating makes it safe to use.
Why are the cookies baked at a higher temperature?
The higher heat helps set the outside quickly while keeping the center soft and thick.
Can I make smaller cookies?
You can, but you’ll need to reduce the filling size and baking time to keep everything balanced.
How do I know when they’re done?
The edges should look set while the center still looks slightly soft and underbaked.
Can I freeze them?
Yes, both the dough and baked cookies freeze well and reheat nicely.
Sprinkle of Fun
Make these over the weekend, then relax on the couch with a glass of milk and your favorite binge-worthy show.
Suggested Recipes
If you like Brownie Core Jumbo Chocolate Chunk Cookies, then you’ll love the recipes below.
get access to my weekly recipe updates!
