Add the creamy peanut butter and powdered sugar to a medium bowl. Mix until the ingredients form a thick, smooth mixture that can be shaped easily.

If the filling feels too sticky, add a little more powdered sugar, one tablespoon at a time. If it seems too firm, mix in the optional softened butter or a very small amount of additional peanut butter.

Divide the filling into 18–24 small portions, depending on the number of cookies you want to make. Roll each portion into a small ball, approximately 1 teaspoon to 2 teaspoons in size.

Place the peanut butter balls on a parchment-lined plate or baking sheet. Refrigerate them for about 20–30 minutes, or until firm enough to handle easily.

Chilling the filling is important because firm peanut butter centers are easier to wrap in chocolate dough. They are also less likely to spread excessively while you shape the cookies.

For an extra Reese’s-inspired flavor, you can use small pieces of peanut butter cups instead of some or all of the filling. If you do, make sure each piece is completely enclosed in the dough.

Step 2: Mix the dry ingredients

In a medium mixing bowl, whisk together the all-purpose flour, unsweetened cocoa powder, baking powder, and salt.

Whisk thoroughly to break up any lumps in the cocoa powder and distribute the baking powder evenly.

If the cocoa powder is especially lumpy, sift it before mixing. This helps produce a smooth chocolate dough without dry pockets of cocoa.

Set the bowl aside while you prepare the wet ingredients.

Step 3: Combine the wet ingredients

In a large mixing bowl, combine the granulated sugar, brown sugar, and vegetable oil. Whisk until the mixture is evenly blended.

Add the eggs one at a time, whisking after each addition. Stir in the vanilla extract.

Continue mixing until the wet ingredients look smooth and glossy. The mixture should be well combined before you add the flour mixture.

Using oil instead of softened butter helps keep these chocolate cookies moist. It also makes the dough easy to prepare without needing to cream butter and sugar.

Step 4: Make the chocolate cookie dough

Gradually add the dry ingredients to the wet mixture. Stir with a spatula or wooden spoon until a thick chocolate dough forms.

Avoid overmixing once the flour has been added. Mix only until the ingredients are incorporated.

The dough should be soft and slightly sticky but firm enough to handle after chilling. If it appears unusually loose, check your measurements before adding extra flour.

Cover the bowl and refrigerate the dough for approximately 1–2 hours, or until it becomes firm enough to shape around the peanut butter filling.

Chilling the dough is one of the most important steps in this recipe. It makes the chocolate dough less sticky, helps the cookies hold their shape, and reduces the chance of the peanut butter filling escaping during baking.

If you are preparing the dough ahead of time, you can refrigerate it overnight in a covered container. Allow it to soften slightly if it becomes too firm to scoop.

Step 5: Stuff the cookies with peanut butter

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

Remove the chilled chocolate dough and peanut butter filling from the refrigerator.

Scoop a portion of chocolate dough, approximately 1 to 1 1/2 tablespoons, depending on the desired cookie size. Flatten it gently in the palm of your hand to create a small disc.

Place one chilled peanut butter ball in the center of the dough. Carefully fold the edges of the chocolate dough around the filling.

Pinch the seams together until the peanut butter is completely enclosed. Roll the dough gently between your palms to create a smooth ball.

Check each cookie carefully for cracks or thin spots. Any exposed filling may leak during baking, so make sure the chocolate dough completely covers the center.

Repeat with the remaining dough and peanut butter filling. Place the shaped cookies on the prepared baking sheets, leaving approximately 2 inches between them.

If the dough becomes too soft while shaping, return it to the refrigerator for 10–15 minutes before continuing.

Step 6: Coat the cookies in sugar

Place the granulated sugar in a small bowl and the powdered sugar in a separate bowl.

Roll each stuffed chocolate dough ball first in granulated sugar, then generously in powdered sugar. Make sure every side is covered.

The granulated sugar creates a light first coating, while the powdered sugar gives the cookies their signature white, cracked appearance.

Do not brush off too much powdered sugar. A generous coating helps the cracks stand out against the dark chocolate dough as the cookies bake.

Arrange the coated cookie balls on the baking sheets, keeping enough space between them for spreading.

For the most attractive results, coat the cookies shortly before baking rather than leaving the powdered sugar coating on the dough for an extended period.

Step 7: Bake the stuffed crinkle cookies

Bake the cookies in the preheated oven for approximately 10–13 minutes, depending on their size and your oven.

The cookies should spread slightly and develop visible cracks across the powdered sugar coating. The edges should look set, while the centers may still appear a little soft.

Avoid waiting until the cookies look completely firm. They continue to set as they cool, and overbaking can make the chocolate exterior dry.

If you are baking two trays, rotate their positions only if your oven has uneven heat and the cookies have begun to set. Avoid opening the oven repeatedly, as this can affect the baking temperature.

Remove the cookies from the oven and allow them to rest on the baking sheet for approximately 5–10 minutes. This gives the soft chocolate dough time to firm up enough for handling.

Step 8: Cool and enjoy

Transfer the cookies carefully to a wire rack to cool completely, or leave them on the baking sheet until they are firm enough to move.

As the cookies cool, the chocolate exterior becomes more stable while the peanut butter center remains creamy and rich.

For the best texture, allow the cookies to cool for at least 15–20 minutes before tasting. If you break one open while it is still slightly warm, you may see the soft peanut butter filling surrounded by tender chocolate cookie dough.

Arrange the finished Reese’s Peanut Butter Stuffed Crinkle Cookies on a plate or dessert tray. Their dark chocolate color, powdered sugar coating, and hidden peanut butter center make them a beautiful addition to any cookie assortment.

Serve them with milk, coffee, or hot chocolate for a simple but satisfying dessert.