This holiday version of delicate French macarons became a seasonal favorite the first time I paired the crisp, glossy shells with the soft, nostalgic texture of crumbled Christmas tree snack cakes. I remember making the first batch on a snowy evening: the kitchen smelled faintly of toasted almond, buttercream, and cocoa from the little cakes, and my kids squealed when they saw the tiny green trees lined up on the baking sheet. The contrast between the airy macaron shell and the sweet, slightly textured filling—plus a crunchy white chocolate drizzle—gives every bite a little surprise.

I discovered this combination while cleaning out the pantry one December and thinking about ways to make macarons more playful for a cookie swap. The result is a cookie that feels patisserie-level but remains approachable. The shells offer a crisp exterior and a tender, chewy interior; the filling is a buttercream infused with crumbled snack cakes for both flavor and chew. These turn heads on dessert platters, travel well as gifts, and mature beautifully in the refrigerator, which mellows the almond and brings the filling and shell together.

Ingredients

• Powdered sugar (for shells): 1 3/4 cups — choose a finely sifted brand or sift it twice yourself to ensure a smooth meringue and glossy shells; I like Domino or C&H for consistent results.
• Almond flour: 1 cup, finely ground and blanched — King Arthur or Bob's Red Mill superfine almond flour yields the best texture; avoid coarse grinds that can ruin the shell surface.
• Egg whites: 3 large, room temperature — aged 12–48 hours in a covered bowl in the fridge and brought to room temperature gives a more stable meringue.
• Granulated sugar: 1/4 cup — used to stabilize the meringue; use regular white sugar.
• Cream of tartar: 1/2 teaspoon — stabilizes egg whites and helps achieve stiff peaks.
• Green gel food coloring: a few drops — gel produces vibrant color without thinning the batter.
• Unsalted butter (for filling): 1/2 cup, softened — use high-quality European-style butter for richer flavor.
• Powdered sugar (for filling): 1 1/2 cups — sift before adding to avoid lumps in the buttercream.
• Vanilla extract: 1/2 teaspoon — pure vanilla improves depth; or use vanilla bean paste for flecks and aroma.
• Heavy cream: 2 tablespoons — adjusts buttercream consistency and adds silkiness.
• Crumbled snack cakes: 1/2 cup finely crumbled Christmas Tree Cakes or similar — adds texture and festive flavor to the filling.
• Pinch of salt: balances the sweetness of the filling.
• Decorations: white chocolate for drizzling, red and green sprinkles, and edible gold stars (optional) for finishing touches.

Instructions

Prepare the dry mix: Sift the powdered sugar and almond flour together twice into a large bowl. This removes any lumps and aerates the mixture so the shells rise evenly and the surface stays smooth. Break up any visible clumps with a small whisk or by rubbing through a fine sieve. Whip the meringue: In a clean, grease-free mixing bowl, beat the room-temperature egg whites until foamy on medium speed. Add the cream of tartar, then gradually pour in the granulated sugar while increasing speed. Beat to stiff, glossy peaks (about 5–7 minutes with a stand mixer). The meringue should hold a firm peak and look shiny—if it droops, continue whipping. Color and macaronage: Add a few drops of green gel coloring to the meringue and fold gently. Add the sifted almond/powdered sugar in two additions and fold using a rubber spatula until the batter reaches "lava" stage: it should flow slowly off the spatula in a ribbon and flatten out within about 10–12 seconds. Avoid overmixing—too loose and shells will spread too much; under-mixed batter stays lumpy. Pipe shapes and rest: Transfer batter to a piping bag fitted with a round tip (or snip the end). Pipe tree shapes or circles onto silicone mats or parchment-lined baking sheets, spacing each about 1 inch apart. Tap the tray firmly on the counter 2–3 times to release air bubbles. Let the piped batter rest at room temperature for 30–60 minutes until a thin skin forms and they're no longer tacky to the touch. Bake: Preheat oven to 300°F. Bake one tray at a time for 14–16 minutes, rotating halfway through to promote even color and feet formation. The shells are done when they have risen feet, a firm top, and a slight shimmer—no wobble when nudged. Allow shells to cool completely on the mat before removing. Prepare the filling: Beat the softened butter until light and fluffy, about 3 minutes. Gradually add 1 1/2 cups powdered sugar, then vanilla and heavy cream; beat until silky. Fold in the finely crumbled snack cakes and a pinch of salt until evenly distributed. The filling should hold its shape yet pipe smoothly; add an extra teaspoon of cream if too thick. Assemble: Pair shells of similar size. Pipe a dollop or a small ring of filling onto one shell, then sandwich with its mate, pressing gently to spread the filling to the edge. Wipe any stray crumbs from the edges for a clean finish. Decorate and mature: Drizzle melted white chocolate over each tree, add red and green sprinkles, and place an edible gold star at the top if using. For best texture and flavor, refrigerate in an airtight container for 24 hours to mature; bring to room temperature for 20–30 minutes before serving.

Storage Tips

Store assembled sandwich cookies in a single layer (or separated by parchment) inside an airtight container in the refrigerator for up to 5 days. When freezing, arrange cookies in a single layer on a tray, freeze until firm (1–2 hours), then transfer to a heavy-duty freezer bag with parchment between layers; this prevents sticking. Thaw overnight in the refrigerator to preserve texture and prevent condensation. To serve, bring to room temperature for 20–30 minutes; this revives the shell chew and softens the filling.

Ingredient Substitutions

If you need a gluten-free filling, replace the crumbed snack cakes with gluten-free cake crumbs or crushed gluten-free cookies in a 1:1 ratio. For a nut-free shell, it’s difficult to replicate the classic texture without almonds, but blanched sunflower seed flour can work if you blanch and process it very finely—expect a slightly darker hue and different flavor. To make the filling dairy-free, substitute a vegan buttery spread and plant-based heavy cream alternative; chill the filling slightly before piping to firm it up.

Serving Suggestions

Arrange on a festive platter with crushed candy canes or sugared cranberries for color contrast. These pair beautifully with a lightly spiced hot chocolate, mulled wine, or holiday coffee. For a dessert buffet, place them on a tiered stand to show off the tree shapes. Garnish with fresh rosemary sprigs to evoke miniature pine branches and provide a seasonal aroma that complements the almond and vanilla.

Cultural Background

Macaron shells trace back to European patisserie—most notably French confectionery—while this modern pairing blends that tradition with American holiday treats. Using a familiar boxed snack as a filling is a playful fusion that nods to communal holiday baking and the evolution of cookies into more decorative, sharable confections. This hybrid celebrates both technique and nostalgia.

Seasonal Adaptations

Swap the green gel for red or pastel colors for different holidays; add a peppermint buttercream for winter or lemon curd for spring. Replace the snack-cake crumbs with spiced ginger cake in November for a warming profile, or use pumpkin spice crumbs for Thanksgiving-themed treats. Smaller trees make great edible place cards when piped with initials in gold.

Meal Prep Tips

Make shells two days ahead and keep them in a single layer in an airtight container at room temperature (avoid humid areas). Prepare the filling and refrigerate; bring to room temperature and re-whip briefly before assembling. For large batches, freeze unfilled shells in a rigid container with parchment between layers and assemble within a month for best freshness.

These Christmas tree cookies combine precision and playfulness—perfect for sharing, gifting, and making holiday memories. If you try them, tuck a few in a gift box and watch faces light up when they spot the tiny gold star on top.