Tasty Chocolate PB Swirl Cookies

Featured in: End Your Meal on a High Note

These yummy goodies mix rich chocolate base with smooth peanut butter swirls for a can't-resist flavor combo. You'll make a chocolate foundation, carefully blend in peanut butter, and cool the mix before baking. You'll get soft cookies with beautiful swirl designs that perfectly mix deep cocoa taste with nutty goodness. After baking for just 10-12 minutes, you'll have cookies with crisp edges and soft middles that taste best after cooling slightly.

A woman in a kitchen taking a selfie.
By Rosa Rosa
Updated on Thu, 17 Apr 2025 21:29:06 GMT
A cookie with a swirl pattern on it. Pin it
A cookie with a swirl pattern on it. | letscookiteasy.com

These amazing chocolate and peanut butter marbled cookies turn basic kitchen ingredients into a mouthwatering snack that'll please anyone who loves chocolate or peanut butter. The beautiful swirl pattern makes them look fancy while tasting incredible – they're great for special events or just when you need something sweet.

I came up with this cookie idea during a stormy weekend when my sister's kids were staying over. What started as something fun to keep us busy has now become our little tradition whenever they visit, and they can't wait to help make those pretty swirls.

Ingredients

  • All purpose flour: Forms the base of your cookies without taking away from the main flavors
  • Unsweetened cocoa powder: Gives that rich chocolate taste; try Dutch processed for extra depth
  • Baking soda: Helps your cookies get that perfect height and softness
  • Salt: Brings out all the tastes and cuts the sweetness; fine sea salt works best
  • Unsalted butter: Makes your cookies soft; leave it out for an hour beforehand
  • Granulated sugar: Adds sweetness and helps the edges get crispy
  • Brown sugar: Keeps cookies moist with hints of caramel; dark brown gives stronger flavor
  • Large egg: Holds everything together; works better at room temperature
  • Vanilla extract: Makes both main flavors taste better; get the real stuff not artificial
  • Creamy peanut butter: Creates those gorgeous swirls; natural kinds work but skip the ones that need lots of stirring

Step-by-Step Instructions

Prepare the Chocolate Dough:
Mix your dry stuff really well so there aren't any cocoa clumps. Beat your butter and sugars until they're super fluffy, about 3 minutes. This puts air in your dough for the right feel. Add your egg and vanilla, mixing just until they're combined. Slowly put in your dry mix in a few batches, mixing on low until you can't see any flour. Don't mix too much or your cookies will get tough.
Create Perfect Swirls:
If your peanut butter's cold, warm it up for 10 seconds in the microwave so it's easier to work with. Put spoonfuls of peanut butter all over your chocolate dough, using about half the jar. Take a knife or wooden stick and make gentle figure eights to create those pretty patterns. Remember, less mixing makes better-looking swirls.
Chill for Success:
Put plastic wrap right on top of your dough to keep it from drying out. Stick it in the fridge for at least an hour, but overnight works even better. This waiting time blends the flavors and stops them from spreading too much while baking. If it's been in there longer than 3 hours, let it sit out for 10 minutes before you scoop it.
Baking Perfection:
Make sure your oven's fully heated before you start baking for even results. Put parchment paper on your cookie sheets for easy cleanup. Use a scoop or spoon to make even-sized cookies, keeping them about 2 inches apart. Watch them carefully while they bake; they should look a bit soft in the middle when you take them out since they'll keep cooking on the hot pan.
Cooling Strategy:
Keep the cookies on the hot pan for exactly 5 minutes so they can firm up without getting overcooked. Move them to a cooling rack for about 20 minutes until they're completely cool. The texture gets better as they cool down, so try to wait before you eat one.
A cookie with a swirl of chocolate and caramel. Pin it
A cookie with a swirl of chocolate and caramel. | letscookiteasy.com

The peanut butter swirl really makes these cookies stand out. I found this method by chance when I was making brownies a few years back, and now I use it for everything from cookies to bread. The way the peanut butter keeps its own flavor while working with the chocolate creates such a yummy mix that even the chocolate-only fans in my family can't turn them down.

Make Ahead Options

You can make this dough up to 3 days early and keep it wrapped tight in your fridge. If you want to save it longer, scoop out individual cookie portions, freeze them on a tray until hard, then put them in freezer bags. You can bake these frozen dough balls without thawing; just cook them 2 minutes longer. They actually turn out better this way, with chewier centers and crispier edges.

Customization Ideas

You can change these cookies in lots of ways. Try crunchy peanut butter for some crunch, or swap half the vanilla with almond extract for a fancier taste. For special times, push a chocolate kiss or peanut butter cup into each cookie right after baking. During the holidays, add colorful sprinkles before you bake them, or drizzle cooled cookies with melted white chocolate to make them look extra special.

Serving Suggestions

These cookies taste best when they're not hot or cold but somewhere in between. Have them with cold milk for a classic snack, or with coffee in the afternoon. For a fancy dessert, put some vanilla or coffee ice cream between two cookies and freeze them briefly to make awesome ice cream sandwiches. When giving them as gifts, stack them in clear plastic bags tied with ribbon so they look like they came from a bakery.

A cookie with a swirl design. Pin it
A cookie with a swirl design. | letscookiteasy.com

Once you get good at making these swirls, these cookies will become your go-to treat for any occasion.

Frequently Asked Questions

→ Why do I need to chill the cookie dough?

Cooling the dough for at least one hour stops the cookies from flattening too much while baking, keeps the pretty swirl look intact, and lets the tastes blend better. Cold dough also makes cookies with a nicer feel - soft in the middle with well-formed edges.

→ Can I use crunchy peanut butter instead of creamy?

Sure, you can swap in crunchy peanut butter, but it'll change how they feel and look. Crunchy PB adds tiny nut chunks throughout and might make the swirls less smooth, but it'll give your cookies an interesting crunch factor.

→ How do I know when these cookies are done baking?

The cookies are ready when you see set edges but middles that still look a bit soft, usually after 10-12 minutes at 350°F. They'll get firmer as they cool on the tray. Baking too long will make them dry instead of giving you that wonderful soft, fudgy bite.

→ How do I create the perfect swirl pattern?

For beautiful swirls, put small spots of peanut butter on top of your chocolate dough, then use a knife or wooden stick to make gentle figure-eight or S movements. Don't mix too much - you want to make marble patterns while keeping chocolate and peanut butter partly separate.

→ How should I store these cookies?

Keep your cookies in a sealed container at room temp for up to 5 days. If you want them to last longer, they can stay in the freezer for up to 3 months. Put some baking paper between layers so they don't stick together. Let frozen cookies warm up naturally before eating.

→ Can I make the dough ahead of time?

You bet, the dough can wait in your fridge for up to 3 days before baking. You can also roll it into balls and freeze them on a tray, then pop them in a freezer bag for up to 3 months. When you're ready, bake the frozen dough balls straight from the freezer, just add 1-2 extra minutes to your baking time.

Chocolate PB Swirl Cookies

Rich chocolate cookies swirled with smooth peanut butter, offering a wonderful mix of bold flavors in each marbled mouthful.

Prep Time
20 Minutes
Cook Time
12 Minutes
Total Time
32 Minutes
By Rosa: Rosa

Category: Sweet Desserts

Difficulty: Easy

Cuisine: American

Yield: 24 Servings (24 cookies)

Dietary: Vegetarian

Ingredients

→ Dry Ingredients

01 240g plain flour
02 60g pure cocoa powder
03 1 teaspoon bicarb soda
04 1/4 teaspoon table salt

→ Wet Ingredients

05 115g soft butter, left out until softened
06 100g white sugar
07 100g dark brown sugar, pressed down
08 1 large egg
09 1 teaspoon vanilla flavoring
10 125g smooth peanut butter

Instructions

Step 01

Combine flour, cocoa, bicarb soda, and salt in a bowl with a quick stir. In another bigger bowl, beat butter with both sugars until fluffy and light. Add the egg and vanilla, then mix. Slowly fold in your dry mix just until everything comes together.

Step 02

Spoon small amounts of peanut butter across your chocolate mixture. Using a knife tip or thin stick, make gentle swirls through the dough. Don't mix too much - you want to see those pretty peanut butter streaks.

Step 03

Wrap the bowl with cling film and stick your dough in the fridge for an hour minimum.

Step 04

Get your oven hot at 175°C (350°F). Put parchment on your cookie sheets. Drop spoonfuls of dough onto the lined sheets about 5cm apart. Bake them for 10-12 minutes until they're firm outside but still a bit soft in the middle.

Step 05

Leave your cookies on the hot tray for 5 minutes, then move them to a cooling rack until they're completely cool.

Notes

  1. Make sure your peanut butter isn't cold from the fridge - room temp makes those swirls much prettier
  2. Don't worry if they seem too soft when you take them out - they'll harden up while cooling

Tools You'll Need

  • Two mixing bowls of different sizes
  • Mixer - handheld or standing type
  • Baking paper
  • Flat baking trays
  • Metal cooling grid

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Peanuts inside
  • Contains wheat with gluten
  • Made with dairy products
  • Has eggs

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 165
  • Total Fat: 9.5 g
  • Total Carbohydrate: 19.2 g
  • Protein: 3.4 g