Name: Buckeye Cookies with Chocolate Ganache and Peanut Butter Frosting Recipe
Prep time: 20 min
Cook time: 50 min
Total time: 1 h 10 min
Cuisine: American
Ingredients: 113 grams salted butter (melted); 300 grams light brown sugar (lightly packed); 2 large eggs (room temperature); 180 grams all-purpose flour (spooned and leveled); 52 grams unsweetened cocoa powder (spooned and leveled); 2 tsp baking powder; 1/2 tsp fine sea salt; 4 oz peanut butter cups (roughly chopped); 264 grams (1 cup) creamy peanut butter; 56 grams salted butter (softened); 1 tsp vanilla extract; 120 grams powdered sugar (spooned and leveled); 113 grams dark chocolate chips; 120 mL heavy whipping cream

Print Recipe· 4.4 from 9 reviews

If you are a peanut butter and chocolate lover, then this Buckeye Cookies with Chocolate Ganache and Peanut Butter Frosting Recipe is an absolute must-try. These cookies bring together rich chocolate, creamy peanut butter frosting, and a decadent chocolate ganache in a way that feels like your favorite candy took a cozy cookie form. Perfectly soft and fudgy with a luscious frosting and glossy ganache topping, they’re a dessert that will quickly become a cherished favorite to bake and share.

Ingredients You’ll Need

A close-up view of a speckled brown ceramic bowl filled with thick, dark brown chocolate dough that has a rich, smooth texture with some small chunks visible. A white spatula with chocolate dough sticking to it rests inside the bowl on the right side. The bowl sits on a white marbled surface. The sides of the bowl show smears and streaks of the chocolate dough. Photo taken with an iphone --ar 4:5 --v 7

The beauty of this Buckeye Cookies with Chocolate Ganache and Peanut Butter Frosting Recipe is in its simple, well-balanced ingredients. Each component plays a crucial role, from the velvety peanut butter that lends creaminess, to the cocoa powder and chocolate chips that create deep chocolate flavor, and the powdered sugar that gives the frosting its silky sweetness.

Salted butter (113 grams melted): Adds richness and moisture while helping the cookies stay tender.
Light brown sugar (300 grams, lightly packed): Contributes sweetness and a hint of molasses flavor for depth.
Large eggs (2, room temperature): Provide structure and help bind the dough together.
All-purpose flour (180 grams, spooned and leveled): The base of the cookie, giving it body and shape.
Unsweetened cocoa powder (52 grams, spooned and leveled): Imparts that rich, chocolatey color and flavor.
Baking powder (2 tsp): Helps the cookies rise just enough for a soft texture.
Fine sea salt (½ tsp): Balances sweetness and enhances flavor.
Peanut butter cups (4 oz, roughly chopped): Adds bursts of nutty chocolate yumminess inside the cookie.
Creamy peanut butter (264 grams or 1 cup): The star of the frosting, offering creamy, nutty richness.
Salted butter (56 grams, softened): Makes the frosting luxuriously smooth and spreadable.
Vanilla extract (1 tsp): Enhances the flavors with warm, aromatic notes.
Powdered sugar (120 grams, spooned and leveled): Sweetens and thickens the peanut butter frosting.
Dark chocolate chips (113 grams): For making the luscious, glossy chocolate ganache topping.
Heavy whipping cream (120 mL): Creates the perfect silky texture in the ganache.

How to Make Buckeye Cookies with Chocolate Ganache and Peanut Butter Frosting Recipe

Step 1: Prep the Cookie Dough

Start by preheating your oven to 350F (177C) for convection, or 325F (163C) for conventional baking, and line a large cookie sheet. Melt the butter and mix it together with the brown sugar and eggs, whisking vigorously for a few minutes until the mixture is lighter in color and beautifully combined. This helps inject air for a tender crumb.

Step 2: Combine Dry Ingredients

Incorporate the flour, cocoa powder, baking powder, and sea salt into the wet mix using a rubber spatula. Fold gently just until the flour is mostly mixed in to avoid overworking the dough, which could toughen your cookies.

Step 3: Add Chocolate and Shape

Fold in the chopped peanut butter cups to distribute those delightful chunks evenly. Then use a 2-ounce cookie scoop to form 14 smooth, round balls. Place about five on each cookie sheet, ready for baking.

Step 4: Bake and Shape Cookies

Bake the cookies for 6 minutes, then remove the tray and give it a firm bang on the counter to gently flatten them. Quickly push the edges back into a round shape with a biscuit cutter or similar round tool, then bake for another 6 minutes. Repeat the banging and shaping once more before letting them cool to room temperature.

Step 5: Make Chocolate Ganache

While the cookies cool, prepare your ganache. Place the dark chocolate chips in a bowl. Gently heat the heavy cream on medium-low until it’s just simmering, then pour it over the chocolate, covering the bowl for a few minutes. Stir until smooth and set aside to cool for 10-20 minutes.

Step 6: Whip Up Peanut Butter Frosting

Melt the creamy peanut butter and butter together on medium-low heat until fully combined. Off the heat, whisk in the vanilla and powdered sugar until luxuriously smooth. This frosting is perfectly creamy and slightly sweet—just right for the cookie base.

Step 7: Assemble Your Buckeye Cookies

Spread the peanut butter frosting evenly over each cooled cookie. For best results, pop the cookies in the freezer for a few minutes to help set the frosting. Then spoon the cooled, slightly runny chocolate ganache on top and finish with a sprinkle of sea salt flakes and some chopped peanut butter cup pieces for that extra wow factor.

How to Serve Buckeye Cookies with Chocolate Ganache and Peanut Butter Frosting Recipe

The image shows a white baking tray lined with parchment paper on a white marbled surface. On the parchment paper, there are seven round chocolate cookies evenly spaced. Each cookie has one thick layer of smooth, tan peanut butter spread on top, covering the entire surface of the cookie with visible swirl marks from spreading. The cookies have a dark brown color and a slightly rough texture on the edges, while the peanut butter layer is creamy and matte. Photo taken with an iphone --ar 4:5 --v 7

Garnishes

Adding a few sea salt flakes and more chopped peanut butter cups on top of the ganache not only looks gorgeous but also adds texture and a flavor contrast that makes each bite irresistible.

Side Dishes

These cookies pair wonderfully with a cold glass of milk, a cup of robust coffee, or even a creamy vanilla ice cream for a truly indulgent treat. The combination of warm beverage or cool ice cream contrasts perfectly with the rich cookie flavors.

Creative Ways to Present

Plate these beautiful Buckeye Cookies with Chocolate Ganache and Peanut Butter Frosting Recipe on a rustic wooden board alongside mini jars of peanut butter and chocolate sauce for dipping fun. They also look fantastic stacked in a vintage tin for gifting or sharing at parties.

Make Ahead and Storage

Storing Leftovers

Leftover Buckeye Cookies keep best in an airtight container at room temperature for up to three days. The frosting and ganache remain smooth and delightful, making them perfect for enjoying throughout the week.

Freezing

You can freeze these cookies after assembly! Place them in a single layer on a baking sheet to freeze quickly, then transfer to an airtight container or freezer bag. They stay delicious for up to two months.

Reheating

To enjoy them fresh out of the oven, gently reheat frozen cookies in the microwave for 10-15 seconds or in a low temperature oven to soften the ganache and frosting slightly before eating. This warms all the wonderful flavors beautifully.

FAQs

Can I use crunchy peanut butter instead of creamy in the frosting?

Yes, you can substitute crunchy peanut butter if you like a bit of texture in the frosting. It adds a pleasant little crunch but won’t be quite as smooth as the creamy version.

Is it possible to make this recipe nut-free?

Since peanut butter is central to the recipe, nut-free substitutions are a bit tricky. However, sunflower seed butter could work in a pinch for the frosting, although it will change the classic Buckeye flavor.

Can I use milk chocolate instead of dark chocolate for ganache?

Absolutely! Milk chocolate will give you a sweeter, creamier ganache, but the dark chocolate provides a richer contrast to the peanut butter. It’s really up to your preference.

Do I need to refrigerate the cookies after baking?

Not necessarily. These cookies keep well at room temperature if stored properly. Refrigeration can firm up the frosting but might affect the texture of the cookie slightly.

How do I know when the ganache is perfectly cooled for spreading?

Wait until the ganache is thickened but still pourable—when you lift your spoon, it should drip slowly. Too hot and it will melt the frosting, too cool and it will be too stiff to spread nicely.

Final Thoughts

This Buckeye Cookies with Chocolate Ganache and Peanut Butter Frosting Recipe truly combines everything wonderful about chocolate and peanut butter into one unforgettable cookie. It’s a joy to bake, share, and savor with people you love. I can’t wait for you to make these and experience the magic in every bite!