Mini Cloud Cakes
Light, airy, and incredibly fun to make, these individual mini cloud cakes are the perfect kitchen project to tackle with your kids.
- Whipping egg whites denatures the proteins, stretching them out to trap air bubbles that expand during baking.
- Cream of tartar lowers the pH, stabilizing the egg white foam so it doesn't collapse when kids fold in the sugar.
- Baking at a low temperature prevents the delicate structure from rising too fast and cracking.
My seven-year-old niece recently stood on a plastic step stool in my kitchen, her knuckles white from gripping a hand mixer that was nearly as tall as her forearm. She was determined to whip egg whites into submission, her tongue sticking out in absolute concentration.
I held my breath.
Most kid-friendly baking projects end up as dense disasters. Little hands over-mix batter, overdeveloping the gluten into a hockey puck.
The science behind this is beautifully simple. By bypassing heavy flour entirely, we rely on a whipped egg white protein matrix to trap air. This creates a structure so delicate it practically dissolves on contact. It is hands down the easiest way to teach kids about the physics of baking without any of the usual dense, gummy failures.
Trust me on this one. You do not need fancy equipment to pull this off.
I tested this with three different types of bowls. Plastic failed every single time because it clings to microscopic grease films that instantly deflate your egg whites.
Use copper or glass instead.
We are going to make individual, pillowy treats that are much easier than Japanese Cotton Cheesecake Cupcakes but deliver that same melt-in-your-mouth magic.
Mini Cloud Cakes
Ingredients
- 4 large egg whites, at room temperature
- 1/4 tsp cream of tartar
- 1/2 cup granulated sugar
- 1 tsp vanilla extract
- 1 tbsp cornstarch
- 1/4 tsp Diamond Crystal kosher salt
- Powdered sugar, for dusting
- Fresh berries, for serving
Directions
- Preheat your oven to 300°F (150°C) and line a baking sheet with parchment paper.
- Whip the egg whites and cream of tartar in a clean glass bowl using a hand mixer until soft peaks form.
- Gradually add the granulated sugar, one tablespoon at a time, while continuing to whip until stiff, glossy peaks form.
- Gently fold in the vanilla extract, cornstarch, and Diamond Crystal kosher salt using a silicone spatula until just combined.
- Spoon the mixture into 6 individual mounds on the prepared baking sheet, using the back of a spoon to create a slight well in the center of each.
- Bake for 20 minutes until the outsides are dry and lightly golden, then turn off the oven and let them cool inside with the door cracked for 10 minutes.
Notes
- I highly recommend using Diamond Crystal kosher salt; if you only have Morton's, cut the volume in half (use just 1/8 teaspoon) to avoid an overly salty bite.
- Cornstarch is essential here because it binds to the moisture in the egg whites, preventing weeping and ensuring the cakes maintain their structural integrity after baking.
- Keep a close eye on your oven temperature; if your oven runs hot, these delicate cakes will scorch and collapse, so use an oven thermometer to verify it stays at exactly 300°F.
- After a day in the fridge, these cakes will lose their crisp exterior and become slightly tacky, though they still taste wonderfully like marshmallow clouds.
- Ensure your mixing bowl is completely grease-free; even a microscopic speck of oil or egg yolk will prevent the egg whites from whipping properly.
Serving Suggestions
These delicate little cakes are best enjoyed with toppings that contrast their sweet, airy texture. If you love light, airy bakes, you should also try our Lemon Meringue Cupcakes which use a similar whipping technique.
- A generous dollop of unsweetened whipped cream to balance the sweetness.
- Fresh tart berries like raspberries or blackberries.
- A drizzle of warm chocolate ganache or lemon curd.
- A dusting of powdered sugar right before serving.
- Pair them with other fun kid-friendly creations like Fruity Pebbles Sushi Rolls for an ultimate weekend dessert party.
Storage and Reheating
Let's be completely honest: these cakes are at their absolute peak the moment they cool down to room temperature.
If you do have leftovers, store them in an airtight container at room temperature for up to two days. Do not stack them unless you want a sticky, deflated mess.
Avoid the refrigerator if possible.
The moisture in the fridge is the ultimate enemy of whipped egg whites.
Do not attempt to reheat these in the microwave or oven. The heat will collapse the delicate air pockets instantly, leaving you with sweet syrup.
Ingredient Substitutes
If you need to make adjustments based on what is in your pantry, here are the best swaps.
- Cream of Tartar: Substitute with an equal amount of fresh lemon juice or white vinegar to provide the necessary acid.
- Granulated Sugar: You can use caster sugar for an even faster dissolve, but avoid brown sugar as its moisture content is too high.
- Cornstarch: Arrowroot powder works as a direct 1:1 substitute to help stabilize the meringue.
Watching my niece proudly hand out her hand-whipped creations made every single flour-dusted surface in my kitchen entirely worth it. Grab a whisk, invite the kids in, and embrace the beautiful, sticky mess.
Susan Rosie
I've spent over 12 years perfecting recipes so you can cook with confidence. Every dish on Storied Skillet is tested multiple times – because your dinner matters. I believe in simple ingredients, clear instructions, and big flavors.
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