Peanut Butter Cup Cookies – Thick, Chewy & Packed with Reese’s

There’s something magical about the aroma of peanut butter cookies baking in the oven on a cozy afternoon. The scent is warm, nutty, and comforting—instantly turning an ordinary day into something special. These thick, chewy Peanut Butter Cup Cookies are the kind of treat you bake when you want to impress guests, celebrate a birthday, or simply indulge in a homemade dessert that feels nostalgic and satisfying.

This recipe was inspired by the classic combination of peanut butter and chocolate that so many of us grew up loving. Think of after-school snacks, holiday cookie trays, and bake sales where peanut butter treats always disappeared first. By folding chocolatey peanut butter cups into a rich, bakery-style cookie dough, we create a cookie that’s soft in the center, slightly crisp at the edges, and packed with irresistible flavor in every bite.

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Why You’ll Love These Peanut Butter Cup Cookies

These cookies are not your average peanut butter cookies. They are:

• Thick and bakery-style

• Soft and chewy in the center

• Loaded with chunks of chocolate peanut butter cups

• Perfect for holidays, parties, and gifting

• Easy to make with simple pantry ingredients

Each bite delivers creamy peanut butter flavor balanced with melty chocolate pieces. The texture is everything you want in a cookie—substantial, soft, and indulgent.

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Ingredients You’ll Need

Here’s everything required to make these thick and chewy Peanut Butter Cup Cookies. Measurements are provided for accuracy and consistent results.

Dry Ingredients

• 2 ½ cups (315 g) all-purpose flour

• 1 teaspoon baking soda

• ½ teaspoon baking powder

• ½ teaspoon salt

Wet Ingredients

• 1 cup (226 g) unsalted butter, softened

• 1 cup (250 g) creamy peanut butter

• 1 cup (200 g) granulated sugar

• 1 cup (220 g) light brown sugar, packed

• 2 large eggs, room temperature

• 2 teaspoons pure vanilla extract

Mix-Ins

• 2 cups (340 g) chocolate peanut butter cups, chopped into chunks

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How to Make Thick & Chewy Peanut Butter Cup Cookies

1. Prepare the Oven and Baking Sheets

Preheat your oven to 350°F (175°C). Line two large baking sheets with parchment paper.

2. Mix the Dry Ingredients

In a medium bowl, whisk together:

• 2 ½ cups flour

• 1 teaspoon baking soda

• ½ teaspoon baking powder

• ½ teaspoon salt

Set aside.

3. Cream the Butter and Sugars

In a large mixing bowl, beat:

• 1 cup softened butter

• 1 cup creamy peanut butter

• 1 cup granulated sugar

• 1 cup brown sugar

Beat on medium speed for 2–3 minutes until light and fluffy. This step creates the thick, soft texture.

4. Add Eggs and Vanilla

Mix in:

• 2 large eggs (one at a time)

• 2 teaspoons vanilla extract

Beat until smooth and fully incorporated.

5. Combine Wet and Dry Ingredients

Gradually add the dry mixture to the wet ingredients. Mix on low speed until just combined. Avoid overmixing to keep the cookies tender.

6. Fold in Peanut Butter Cups

Gently fold in:

• 2 cups chopped chocolate peanut butter cups

Make sure they’re evenly distributed throughout the dough.

7. Scoop and Chill (Optional but Recommended)

Scoop large dough balls (about 3 tablespoons each). For thicker cookies, chill the dough balls for 30 minutes before baking.

8. Bake

Place dough balls 2 inches apart on the prepared baking sheets. Bake for 10–12 minutes. The edges should be lightly golden while the centers remain soft.

9. Cool

Allow cookies to cool on the baking sheet for 5 minutes before transferring to a wire rack. They will continue setting as they cool.

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Tips for Perfect Peanut Butter Cup Cookies

Use Creamy Peanut Butter

Stick with regular creamy peanut butter. Natural peanut butter can change the texture.

Don’t Overbake

The cookies may look slightly underdone in the center when you remove them from the oven. That’s exactly what you want for a chewy texture.

Chill for Thickness

Chilling the dough helps prevent spreading and creates that bakery-style thickness.

Add Extra Pieces on Top

Press a few extra peanut butter cup chunks onto each dough ball before baking for a picture-perfect finish.

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How to Store These Cookies

• Store in an airtight container at room temperature for up to 5 days.

• Freeze baked cookies for up to 3 months.

• Freeze unbaked dough balls and bake directly from frozen, adding 1–2 minutes to the baking time.

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Variations to Try

• Add ½ cup (90 g) chocolate chips for extra chocolate flavor.

• Sprinkle flaky sea salt on top before baking.

• Make mini cookies for bite-sized treats.

• Drizzle melted chocolate over cooled cookies for a decorative finish.

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Frequently Asked Questions

1. Can I use crunchy peanut butter instead of creamy?

Yes, you can substitute crunchy peanut butter for creamy peanut butter in equal amounts (1 cup / 250 g). However, keep in mind that crunchy peanut butter contains peanut pieces that slightly change the texture. The cookies will have more bite and a slightly less uniform crumb. If you love added crunch, this can be a delicious variation. For best results, avoid natural varieties that separate easily, as the oil content can affect structure and cause spreading.

2. Why are my cookies spreading too much?

If your cookies spread excessively, several factors could be responsible. First, make sure your butter is softened—not melted. Melted butter will cause the dough to flatten quickly in the oven. Second, measure your flour carefully using the spoon-and-level method; too little flour results in spreading. Third, chilling the dough for 30–60 minutes can significantly improve thickness. Finally, ensure your baking soda and baking powder are fresh, as expired leavening agents can affect structure.

3. Can I make the dough ahead of time?

Absolutely. This dough can be refrigerated for up to 48 hours before baking. In fact, resting the dough overnight can enhance flavor and texture. You can also freeze pre-scooped dough balls for up to 3 months. When ready to bake, place them directly on a baking sheet and add 1–2 minutes to the bake time. This makes the recipe perfect for planning ahead during holidays or special events.

4. How do I keep the cookies soft for days?

To maintain softness, store the cookies in an airtight container at room temperature. Adding a slice of sandwich bread to the container can help retain moisture—the cookies absorb the bread’s moisture without becoming soggy. Avoid refrigerating baked cookies, as this can dry them out. If cookies firm up slightly, microwave one for 8–10 seconds to restore that warm, chewy texture.

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Final Thoughts

There’s something undeniably comforting about a thick, chewy cookie packed with chocolate and peanut butter. These Peanut Butter Cup Cookies deliver everything you crave in a bakery-style dessert—rich flavor, soft centers, and indulgent chunks of chocolate peanut butter cups in every bite. They’re the kind of cookies that disappear quickly from cookie trays and leave everyone asking for the recipe.

What makes this recipe truly special is its balance of simplicity and decadence. The ingredients are pantry staples, yet the result feels impressive and celebratory. Whether you’re baking for a birthday party, a holiday gathering, a school event, or simply to satisfy a weekend craving, these cookies rise to the occasion. They’re sturdy enough for gifting, beautiful enough for sharing on social media, and delicious enough to become a family favorite.

The combination of creamy peanut butter and chocolate is timeless for a reason—it just works. When baked into a thick cookie with a slightly crisp edge and a soft center, that flavor pairing becomes irresistible. And because the recipe is adaptable, you can easily customize it to suit your taste preferences.

Bake a batch, pour a glass of milk, and enjoy the simple pleasure of a homemade cookie that feels both nostalgic and elevated. Once you try them, these Peanut Butter Cup Cookies might just become your go-to dessert for every sweet occasion.

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