Chocolate mint cookies give these ice cream sandwiches the kind of sturdy, crisp-edged bite that keeps the filling where it belongs, while the caramel-mint center stays cold, creamy, and packed with tiny candy crunches. You get all the flavor of Peppermint Crisp Tart in a format that feels a little cleaner to eat and a lot more fun to serve.
The key is balancing soft ice cream with a cookie that doesn’t turn soggy the second it hits the freezer. A little cocoa deepens the cookie flavor so the peppermint and caramel don’t taste flat, and the filling is mixed just enough to keep the candy pieces distinct instead of dissolving into the ice cream. Let the cookies cool all the way down before assembling, or the filling will melt into a mess before the sandwiches even have a chance to freeze.
Below, I’ve included the small details that matter most: how to keep the cookies from baking up cakey, why the ice cream should be soft but not soupy, and a few swaps that still keep the South African-inspired character of the dessert intact.
The cookies stayed firm even after freezing, and the caramel-mint ice cream was perfectly scoopable once it sat out for a minute. The Peppermint Crisp pieces gave just enough crunch without making the filling icy.
Peppermint Crisp Tart Ice Cream Sandwiches bring the classic caramel-mint crunch into a frozen cookie sandwich worth slicing and sharing.
The Part That Keeps the Cookies From Going Soft Too Fast
The cookie needs to be baked a touch longer than a standard soft chocolate cookie, because it has to survive freezer time without turning cakey or limp. That means creaming the butter and sugar until fluffy, then stopping as soon as the flour disappears. If you overmix the dough, the cookies puff instead of spreading into the thin, sturdy rounds that hold the ice cream best.
Let them cool completely on a rack. Warm cookies trap steam, and steam is what turns a frozen sandwich from neat and sliceable into messy and uneven. The other thing that matters here is thickness: flatter cookies give you cleaner layers and a better cookie-to-filling ratio.
What the Ice Cream and Candy Each Bring to the Sandwich
- Vanilla caramel ice cream — This is the base that gives you the right creamy sweetness and that signature caramel note. A plain vanilla ice cream will work in a pinch, but you’ll lose the depth that makes this taste like Peppermint Crisp Tart instead of just a mint dessert.
- Peppermint Crisp bars or peppermint candy canes — The candy gives the filling its crunch and that cool peppermint snap. Peppermint Crisp is ideal because it keeps a distinct texture; candy canes are the easiest substitute, though they melt into the ice cream a little faster once the sandwiches sit out.
- Caramel sauce — Stirring in a little caramel loosens the ice cream just enough to make it scoopable and ties the mint and chocolate together. Thick jarred caramel works fine; just don’t use a thin sauce that turns icy when frozen.
- Cocoa powder — Unsweetened cocoa deepens the cookie flavor so the filling doesn’t taste one-note. Use a good standard cocoa here; Dutch-process is fine too, but the real job is giving the cookie enough chocolate backbone to stand up to the ice cream.
Assembling the Sandwiches Before the Ice Cream Gets Ahead of You
Baking the Chocolate Mint Cookies
Whisk the dry ingredients first so the cocoa and baking soda are evenly distributed, then beat the butter and sugar until the mixture looks pale and fluffy. That air helps the cookies set without becoming dense. Add the egg and peppermint extract, then stir in the flour mixture just until the dough comes together. If the dough looks greasy or glossy, the butter was too warm and the cookies will spread too much.
Softening the Ice Cream the Right Amount
Let the caramel ice cream sit out until it’s soft enough to fold, not melted around the edges. You want it pliable, like thick frosting. Fold in the crushed Peppermint Crisp and caramel sauce gently so the candy stays in shards instead of disappearing into streaks. If the mixture gets soupy, put it back in the freezer for 10 to 15 minutes before assembling.
Building Clean, Even Sandwiches
Scoop the filling onto the flat side of one cookie, top with a second cookie, and press just enough for the ice cream to reach the edges. Too much pressure squeezes the filling out the sides. If you want tidy edges, run a small offset spatula around the seam before freezing. Work quickly here; once the ice cream starts melting, the sandwiches get slippery and harder to line up.
Freezing Until Sliceable
Freeze the assembled sandwiches for at least 2 hours before serving. That time firms the filling so the cookies and ice cream settle into one clean bite. For the neatest look, wrap each sandwich individually once they’re frozen solid. They’ll hold their shape better, and the cookies won’t absorb freezer odors.
How to Tweak These Without Losing the Peppermint Crisp Tart Feel
Make it dairy-free
Use a rich dairy-free vanilla caramel-style ice cream and a plant-based butter in the cookies. The texture will still work, but choose an ice cream with enough fat to freeze creamy; icy dairy-free bases turn hard and don’t sandwich well.
Swap the Peppermint Crisp
If you can’t find Peppermint Crisp, use peppermint candy canes or peppermint bark and crush them finely. Candy canes give a sharper mint hit and a harder crunch, while peppermint bark brings a little chocolate into the filling and tastes closest to the original dessert.
Turn them into smaller party sandwiches
Use smaller scoops of dough and less filling for bite-size sandwiches. They freeze faster and are easier to serve at a crowd, though you lose some of the dramatic layered look you get from the larger version.
Storage and Reheating
- Refrigerator: Not ideal. These soften too fast in the fridge, and the cookies lose their clean edges.
- Freezer: Store wrapped individually in the freezer for up to 2 weeks. After that, the cookies start to pick up freezer flavor and the filling gets less fresh.
- Reheating: Not applicable. Let a sandwich sit at room temperature for 3 to 5 minutes before eating so the filling softens just enough to bite cleanly; if you wait too long, the ice cream will slide.
Questions I Get Asked About This Recipe
Peppermint Crisp Tart Ice Cream Sandwiches
Ingredients
Equipment
Method
- Preheat oven to 350F, and arrange a sheet pan for baking.
- Whisk all-purpose flour, unsweetened cocoa powder, baking soda, and salt until evenly combined, then set aside.
- Beat softened unsalted butter and granulated sugar until fluffy, then beat in the egg and peppermint extract.
- Stir the flour mixture into the butter mixture until you have a cohesive dark dough.
- Scoop dough into large rounds, press flat, and place them on the sheet pan.
- Bake for 10-12 minutes at 350F, until the edges look set, then transfer to cool completely.
- Fold crushed Peppermint Crisp and caramel sauce into the softened vanilla caramel ice cream until studded and evenly colored.
- Sandwich a scoop of peppermint-caramel ice cream between two chocolate mint cookies, pressing lightly so the center layer is visible.
- Freeze for 2 hours to firm up the sandwiches, then serve with an extra drizzle of caramel for a glossy finish.