Every holiday cookie tray needs something with peppermint, and chocolate peppermint thumbprint cookies are my favorite way to bring it. A soft, tender cocoa cookie gets rolled in sugar, pressed with a little well, then filled with a creamy white chocolate peppermint ganache and a sprinkle of crushed candy cane. They taste like a chocolate mint truffle on top of a cookie.
Below I cover why the dough holds its shape so well, how to make neat wells that do not crack, the easy two-ingredient ganache, variations, a troubleshooting table, make-ahead and gifting tips and answers to common questions. The printable recipe card is at the bottom of the post.
Why These Peppermint Thumbprints Work
Thumbprint cookies need a dough that is tender enough to melt in your mouth but sturdy enough to hold a filling without spreading flat. This chocolate dough uses an egg yolk instead of a whole egg, which keeps it rich and soft while limiting spread, so the wells stay deep and round.
- Egg yolk only. The yolk adds richness and tenderness without the extra moisture that makes cookies puff and lose their shape.
- Cocoa plus a little milk. Cocoa gives deep chocolate flavor, and a splash of milk keeps the dough smooth enough to roll without cracking.
- A short chill. Thirty minutes in the fridge firms the butter so the cookies hold their shape in the oven.
- Press twice. A first press before baking and a gentle second press right after baking gives neat, deep wells for the filling.
- A no-fuss ganache. White chocolate and warm cream make a smooth, sliceable filling that sets firm enough to stack.
The result is a cookie that looks like it came from a bakery box but takes only basic tools and a little patience. They are a lovely change of pace from jam-filled cookies, and the red and white candy cane topping makes them instantly festive.
Ingredients You Will Need
You need a few holiday baking staples, plus candy canes or peppermint candies for the topping.
- Unsalted butter: Softened to room temperature for easy creaming.
- Granulated sugar: For the dough and for rolling the cookies, which gives them a pretty sparkle.
- Egg yolk: One large yolk for richness. Save the white for an omelet.
- Milk and vanilla: A couple of tablespoons of milk keeps the dough supple, and vanilla deepens the chocolate.
- All-purpose flour: Spoon and level it so the dough stays tender.
- Unsweetened cocoa powder: Dutch-process gives a darker cookie, but natural cocoa works too.
- Salt: A small amount sharpens the chocolate flavor.
- White chocolate: Use a good-quality baking bar or chips that list cocoa butter as an ingredient.
- Heavy cream: Warmed and stirred into the white chocolate for the ganache.
- Peppermint extract and candy canes: Pure peppermint extract is strong, so measure carefully.
How to Make Chocolate Peppermint Thumbprint Cookies
Plan for about 30 minutes of hands-on time, a short chill, then a little time for the filling to set.
- Make the dough. Beat the butter and 1/2 cup sugar for 2 minutes until fluffy. Beat in the egg yolk, milk and vanilla.
- Add the dry ingredients. Whisk the flour, cocoa and salt, then mix them in on low speed until a soft dough forms.
- Chill. Cover and refrigerate the dough for 30 minutes, until firm enough to roll.
- Shape. Heat the oven to 350°F (175°C) and line baking sheets with parchment. Roll 1-tablespoon balls and roll them in granulated sugar.
- Press the wells. Place the balls 2 inches apart and press the center of each with your thumb or the back of a 1/2-teaspoon measuring spoon.
- Bake. Bake for 10 to 12 minutes, until the cookies look dry and set at the edges.
- Press again. Right away, gently re-press each well with the measuring spoon. Cool on the pan for 5 minutes, then on a rack.
- Make the ganache. Heat the cream until steaming, pour it over the chopped white chocolate, wait 2 minutes, then stir until smooth. Stir in the peppermint extract.
- Fill and top. Spoon or pipe the ganache into the cooled cookies, sprinkle with crushed candy cane and let them set for 30 minutes.
If the ganache gets too thick to spoon, warm it in the microwave for 5 to 10 seconds and stir. The cookies must be completely cool before filling, or the ganache will melt into the cookie instead of sitting in a neat pool.
How to Make Perfect Thumbprint Wells
Your thumb works, but a rounded 1/2-teaspoon measuring spoon makes cleaner, more even wells. Dip it in a little cocoa or sugar so it does not stick. Press about halfway down into each ball.
Small cracks around the edges are normal and add to the charm. If the dough cracks badly as you press, it is too cold or a little dry. Let it sit at room temperature for 5 minutes, or roll the ball between warm palms first. The second press right after baking is the secret to deep wells, because the cookies puff slightly in the oven and the wells shrink. While the cookies are hot and soft, they reshape easily.
The Easy White Chocolate Peppermint Ganache
A ganache is just chocolate melted into warm cream. White chocolate needs less cream than dark chocolate to set, so I use about 3 tablespoons of cream for 4 ounces of white chocolate. That makes a filling that is glossy when you spoon it in and firm enough to stack once it sets.
Chop the chocolate finely so it melts evenly, and avoid boiling the cream, which can make white chocolate grainy. Add the peppermint extract after the ganache is smooth. Start with 1/4 teaspoon, taste and add a drop more only if you want a stronger mint flavor. For a pale pink filling, stir in a tiny dot of red gel coloring.
The white chocolate matters more than you might think. Baking bars or good-quality chips that list cocoa butter near the top of the ingredients melt smoothly and taste creamy. Candy melts and coatings labeled as white baking chips often contain palm oil instead, which gives a waxy texture and a flat, overly sweet flavor. If you only have chips, chop them and melt them gently, because many brands contain stabilizers that help them hold their shape in the oven and resist melting smoothly. A good bar is worth the small splurge here, since the filling is the star of each cookie.
Tips for the Best Chocolate Peppermint Thumbprint Cookies
- Do not skip the chill. Warm dough spreads in the oven and the wells disappear.
- Roll the balls smooth before pressing. Smooth dough gives tidy cookies with fewer cracks.
- Bake one sheet at a time on the center rack for the most even results.
- Add the crushed candy cane right after filling, while the ganache is still soft, so it sticks.
- Store the cookies in a single layer until the ganache is fully set.
If you love classic filled cookies, try my buttery raspberry jam thumbprint cookies and the kiss-topped peanut butter blossom cookies. Peppermint fans will also love a batch of crunchy layered homemade peppermint bark. Find more festive treats in my holiday recipe collection.
Easy Variations
- Dark chocolate filling: Use 4 ounces of semisweet chocolate with 1/4 cup of cream and 1/4 teaspoon of peppermint extract.
- Green mint swirl: Fill with a mix of white and green-tinted ganache, swirled with a toothpick.
- Salted caramel: Fill with thick caramel sauce and a pinch of flaky salt instead of peppermint.
- Raspberry chocolate: Fill with seedless raspberry jam for a chocolate berry cookie.
- Nutty coating: Roll the dough balls in finely chopped pecans or walnuts instead of sugar.
- Gluten free: Use a measure-for-measure gluten free flour blend that contains xanthan gum.
Common Mistakes and How to Fix Them
| Problem | Likely cause | How to fix it |
|---|---|---|
| Cookies spread and wells vanished | Dough too warm | Chill 30 minutes and keep unbaked balls in the fridge between trays. |
| Dough cracks when pressed | Dough too cold or flour over-measured | Let it warm 5 minutes and spoon and level the flour. |
| Ganache is grainy | Cream boiled or chocolate overheated | Use steaming, not boiling cream, and stir gently. |
| Ganache will not set | Too much cream | Use 3 tablespoons per 4 ounces or chill the cookies 15 minutes. |
| Candy cane turned sticky | Humidity | Add the topping close to serving and store airtight. |
| Mint flavor too strong | Too much extract | Start with 1/4 teaspoon and taste before adding more. |
Make Ahead, Storage and Gifting
The dough can be wrapped and refrigerated for up to 3 days. You can also freeze unfilled baked cookies in an airtight container for up to 3 months. Thaw them at room temperature, then fill and top them on the day you plan to serve or gift them.
Filled cookies keep in an airtight container at room temperature for up to 4 days, or in the fridge for up to a week if your kitchen is warm. Layer them between sheets of parchment so the tops stay neat. Crushed candy cane can soften and turn sticky in humid weather, so for gifts I sometimes pack a little bag of crushed candy alongside the cookies.
For cookie tins, the dark chocolate cookie and white filling look stunning beside pale butter cookies and jam-filled treats. A mini paper cup under each cookie keeps them from sliding around.
The dough contains raw egg yolk and raw flour, so please wait until the cookies are baked to snack. The FDA explains why raw dough is risky.
Frequently Asked Questions
Can I use my thumb to make the wells?
Yes, but a rounded 1/2-teaspoon measuring spoon makes cleaner, more even wells. Re-press right after baking.
Can I use peppermint oil instead of extract?
Peppermint oil is far stronger. Use just 1 or 2 drops in the ganache and taste before adding more.
Why did my thumbprint cookies spread?
The dough was too warm or the butter too soft. Chill the dough for 30 minutes and keep shaped balls cold.
Can I freeze filled cookies?
Freeze the cookies unfilled for the best texture, then fill them after thawing.
How long do chocolate peppermint thumbprint cookies last?
Up to 4 days airtight at room temperature, or about a week in the fridge.
Ready to bake? Here is the full printable chocolate peppermint thumbprint cookies recipe with exact measurements, chilling time and estimated nutrition.
Chocolate Peppermint Thumbprint Cookies
Ingredients
Method
- Beat the butter and 1/2 cup sugar for 2 minutes until fluffy. Beat in the egg yolk, milk and vanilla.
- Whisk the flour, cocoa and salt, then mix into the butter mixture on low speed until a soft dough forms.
- Cover and refrigerate for 30 minutes.
- Heat the oven to 350°F (175°C) and line baking sheets with parchment.
- Roll 1-tablespoon balls, roll them in sugar and place 2 inches apart. Press a well into each with a 1/2-teaspoon measuring spoon.
- Bake for 10 to 12 minutes, until set at the edges. Immediately re-press the wells, cool 5 minutes on the pan, then cool completely on a rack.
- Heat the cream until steaming and pour over the white chocolate. Let stand 2 minutes, then stir until smooth. Stir in the peppermint extract.
- Spoon the ganache into the cooled cookies and sprinkle with crushed candy cane.
- Let the cookies stand for 30 minutes, until the filling is set.
Notes
I hope these chocolate peppermint thumbprint cookies bring a little extra cheer to your holiday baking. If you make them, please leave a comment and a star rating below and tell me which filling you chose. Happy baking, friends. Chef Amber
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