Preheat the oven to 350°F and line 9 muffin tins with parchment paper liners or silicone liners.: Warmth in the oven signals the start and ensures even rising; as it preheats you will notice a gentle warmth and that familiar dry oven scent. This step matters because consistent oven temperature helps the cakes bake uniformly, preventing underdone centers or overbrowned edges. A common mistake is skipping liners or using worn pans that change bake times, so use reliable muffin tins and allow the oven to reach full temperature before putting the batter in. If you open the oven too often while baking, you will lose heat and risk uneven domes.
In a bowl, whisk together the almond flour, coconut flour, baking powder, baking soda, and salt until well blended.: The moment you whisk these dry elements, you will see the mixture take on a uniform pale tone, and it will smell faintly nutty from the almond flour . Proper blending distributes the leavening so each cupcake rises evenly; uneven distribution can produce pockets of baking powder that leave bitter spots. A typical pitfall here is failing to break up clumps, especially in the almond flour or powdered leaveners, so sift or whisk thoroughly to avoid dense lumps in the batter.
Add the eggs, honey, applesauce, and vanilla extract and mix until smooth.: As you combine these wet ingredients, the batter will begin to take on a glossy sheen and slightly thicken as the eggs emulsify with the liquids. The honey lends a deep, floral sweetness while the applesauce keeps moisture without added oil. This step is crucial because proper emulsification prevents separation during baking; under-mixing leads to streaks of wet and dry, while over-mixing can overwork the structure. Avoid running the mixer at high speed for too long, which can incorporate excess air and create crumbly texture.
Pour into the lined muffin cups, filling each about 1/2 full, and bake for 15 to 20 minutes, or until a toothpick inserted in the middle comes out clean.: As the batter hits the warmed tins, you will see the surface settle and then begin to rise in the oven, developing gentle domes and a hint of golden edges. The smell will shift toward baked cake notes with a light nutty aroma. Using the right fill level prevents overflow and promotes even rise; overfilled cups can spill and underfilled ones may be too small. Do not assume the shorter time is always enough; test with a toothpick, and if crumbs cling, give them a little more time but watch closely to avoid drying out the crumb.
While cupcakes cool, make the frosting: In a stand mixer fitted with a whisk attachment or using a hand mixer, mix the butter for 1 minute. Add the powdered sugar and mix on low speed until well blended, then increase the speed to medium and beat until fluffy, about another 3 to 5 minutes. Add the vanilla and almond milk. Continue to beat on medium speed for 1 minute, adding an additional tablespoon of almond milk, or more, if needed for a soft consistency.: In a stand mixer fitted with a whisk attachment or using a hand mixer, mix the butter for 1 minute : Whipping unsalted butter starts the frosting journey, creating a pale, airy base that will trap air and lighten the final texture. The butter should smell clean and slightly sweet; if it smells sour, it is past its prime. This initial whip matters because properly aerated butter helps the powder sugar incorporate more smoothly, avoiding gritty pockets. A common issue is using butter that is too cold, which will not aerate well, or too warm, which will break down and make the frosting greasy.
Apply the frosting in a mound on the cupcake with a spatula or using a piping bag fitted with a circle piping tip.: When you add the powdered sugar , the mixer will thump briefly, then the mixture will become thick and pale. Increasing speed encourages a silky, cloud like texture. The sugar must be incorporated slowly to prevent a sugar cloud in your kitchen, and beating long enough produces a stable buttercream that holds shape. If you rush this and keep the speed high immediately, you risk a dusty explosion and uneven texture; if you do not beat it enough, the frosting will be heavy and not hold peaks.
Cut the marshmallows in half on a diagonal. Dip the cut side in the colored sugar. Place each ear on top of the buttercream frosting, pushing in slightly to adhere. Sprinkle the flaked coconut on top of the buttercream frosting.: Adding a teaspoon of vanilla extract brings the frosting into harmony with the cupcakes, and the almond milk loosens the texture to make it pipeable. The smell of vanilla will bloom, and the frosting will become smoother with each addition. Add the milk gradually because too much will produce runny frosting that cannot hold the marshmallow ears upright. If your frosting becomes too thin, refrigerate briefly and rewhip to firm it up, rather than adding more sugar which will make it overly sweet.
Cupcakes will keep in the refrigerator for up to 3 days.: The last aeration round polishes the texture into a glossy, spreadable cream that catches light as you swirl it. This finishing beat is why the frosting feels silky on the tongue and not chalky. Be mindful with extra milk, because every teaspoon shifts consistency substantially; add a little at a time to reach the desired softness. A frequent error is adding too much at once and trying to salvage it with more sugar, which alters taste and texture.
Apply the frosting in a mound on the cupcake with a spatula or using a piping bag fitted with a circle piping tip: When you mound or pipe, the frosting should hold peaks but still look soft and inviting. The tactile sense of a smooth, cool buttercream and the visual of a neat mound are satisfying. Using a piping bag gives a cleaner finish, while a spatula offers a rustic charm. Overworking the frosting while smoothing can melt it slightly from your hands; work quickly and chill briefly if it gets too soft.
Cut the marshmallows in half on a diagonal: The diagonal cut exposes a fresh, sugary surface that holds the colored sugar beautifully, creating crisp edges that mimic bunny ears. The marshmallow will feel pillowy and slightly sticky to the touch; dipping the cut side immediately prevents it from sealing and losing adhesion. Use a sharp knife for clean cuts, and if the marshmallow stretches, chill briefly to firm it for neater slices. Avoid tiny mini marshmallows here, as they are too small for the visual effect.
Dip the cut side in the colored sugar: The colored sugar adheres to the tacky marshmallow surface, creating a sparkly finish. You will see the granules catch the light and enhance the playful look. Doing this quickly while the cut is fresh ensures better adhesion; letting the cut sit will form a skin that repels the sugar. A common oversight is pressing too hard and squashing the marshmallow, so dip gently and rotate for even coverage.
Place each ear on top of the buttercream frosting pushing in slightly to adhere: Gently pressing the ears into the frosting secures them without flattening the mound; you should hear a soft give when they nestle in. Positioning two ears gives the cupcakes personality and keeps decorations stable during transport. If you press too hard, the frosting will compress and the visual will collapse, so steady hands are best here. If the ears wilt during transit, pipe a small frosting patch behind each ear as extra support.
Sprinkle the flaked coconut on top of the buttercream frosting: The shredded coconut creates the nest texture, and as you sprinkle it, you will notice a subtle coconut aroma. It adds contrast to the glossy buttercream and hides imperfect piping. Scatter it with a light hand to keep the overall shape tidy. If you use wet hands or a damp tool, the coconut can clump; keep everything dry during this step.
Cupcakes will keep in the refrigerator for up to 3 days: Chilling firms the frosting and preserves the marshmallow ears and coconut texture, though refrigeration can slightly change the buttercream mouthfeel. Store in an airtight container to prevent the cupcakes from absorbing other fridge odors and to keep the coconut crisp. A common issue is condensation if you move them directly from cold to warm, which can make coconut soggy; let them rest briefly at room temperature before serving for best texture.