Izzy's Kitchen

Easy recipes for everyone!

November 7, 2025

Marble Cookies

Prep time:

15 min

Cooking time:

12 min

Total time:

27 min

Serving:

10

If you can’t decide between a chocolate cookie or a classic chocolate chip, these marble cookies are the perfect solution! With swirls of rich chocolate and classic vanilla dough, these…

If you can’t decide between a chocolate cookie or a classic chocolate chip, these marble cookies are the perfect solution! With swirls of rich chocolate and classic vanilla dough, these cookies give you the best of both in every bite. These cookies have the perfect texture, soft and chewy. The chocolate chips melt in your mouth and if you like, feel free to add a few sea salt flakes – these enhance the overall taste even more.

Ingredients You’ll Need for the Marble Cookies:

  • Unsalted butter (room temperature): This forms the base of your cookie dough, making it rich and buttery.
  • Packed light brown sugar & granulated sugar: A combination of these sugars adds sweetness and keeps the cookies soft and chewy.
  • Egg, at room temperature: Provides structure and binds the ingredients together.
  • All-purpose flour: Flour gives the cookies their structure, with extra flour added to the vanilla dough.
  • Baking soda & Baking powder: These leavening agents help the cookies rise and stay soft.

For making the Marble Cookies, you’ll need the following tools:

Here is the full Recipe:

Ingredients:
  • 114 g (1/2 cup) unsalted butter, at room temperature
  • 50 g (1/4 cup) packed light brown sugar
  • 45 g (3 tbsp) granulated sugar
  • 1 large egg, at room temperature
  • 2 tsp vanilla extract
  • 208 g ( 1 2/3 cups) all purpose flour + 2 tbsp all purpose flour
  • 1/2 tsp baking soda
  • 1/4 tsp baking powder
  • 1/2 tsp salt
  • 3 tbsp cocoa powder
  • 180 g (1 cup) chocolate chips
Directions:
  • Preheat the oven to 175°C (350°F) and line a baking sheet with parchment paper. Set aside.
  • Cream the butter and sugars in a stand mixer fitted with the paddle attachment. Beat on medium-high speed until light and fluffy, about 2 minutes.
  • Scrape down the sides of the bowl and add the egg and vanilla extract. Beat until smooth and combined.
  • Add the flour, baking soda, baking powder, and salt to the bowl. Mix until just combined, ensuring no streaks of flour remain.
  • Divide the dough into two bowls. Add the remaining 3 tablespoons of flour and half of the chocolate chips to the first bowl. Stir to combine. In the second bowl, mix in the cocoa powder and the other half of the chocolate chips.
  • Form the marble cookies by scooping out tablespoons of dough from each bowl. Stack four dough balls (vanilla, chocolate, vanilla, chocolate), press them together, and roll into a ball.
    Place the cookie balls on the prepared baking sheet about 2 inches apart. Bake at 175°C (350°F) for 12 to 14 minutes, or until the edges are golden brown and the centers are still slightly underdone.
  • Cool on the baking sheet for a few minutes before transferring to a wire rack. Let the cookies cool completely before enjoying!

Tips & Tricks:

Tips for the Cookies:
  • Room Temperature Ingredients: Make sure your butter and egg are at room temperature before you start. This helps them blend more easily, resulting in a smoother dough and even baking.
  • Don’t Overmix: When combining the wet and dry ingredients, mix just until the flour is incorporated. Overmixing can make the cookies tough instead of soft and chewy.
  • Chill the Dough: If your kitchen is warm or if you have time, chill the dough balls in the refrigerator for 15-20 minutes before baking. This helps prevent the cookies from spreading too much and keeps them thick and chewy.
  • Perfect Marble Effect: When forming the cookies, alternate the vanilla and chocolate dough layers carefully. This will give your cookies that beautiful marbled appearance.
  • Underbake for Soft Centers: Take the cookies out of the oven when the edges are set but the centers are still slightly underdone. They’ll continue to cook on the baking sheet, leaving you with perfectly soft centers.
  • Extra Chocolate Chips: For a more indulgent look, press a few extra chocolate chips on top of the cookie dough balls before baking.
  • Use High-Quality Chocolate: Since half of the dough is chocolate-flavored, using high-quality cocoa powder or melted chocolate will give your cookies a rich, deep flavor.
  • Add a Twist with Flavoring: For extra flavor, you can add a teaspoon of coffee powder to the chocolate dough to enhance the richness of the cocoa, or a bit of almond extract to the vanilla dough for a more nuanced taste.
General Tips:
  • Roll Evenly: To get consistent-sized cookies, scoop out equal portions of the marbled dough. You can use a cookie scoop to ensure uniformity, which helps them bake evenly.
  • Watch the Bake Time: Keep an eye on the cookies while baking. Marble cookies can go from soft to crispy quickly, so pull them out when the edges are just set but the centers are still slightly soft.
  • Decoration Idea: For added flair, you can drizzle melted chocolate or white chocolate over the cooled cookies to emphasize the marble effect or add a sprinkle of sea salt for contrast.

More Baking Ideas:

Summary
recipe image
Recipe Name
Marble Cookies
Author Name
Isabel
Published On

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Welcome to Izzy's Kitchen

Hello! My name is Isabel :)
Discover my passion for baking and the journey that led me to create this blog. Here, I share my favorite recipes, tips, and a bit of my personal story with you.

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