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[Easy Recipe] How to Make a Korean-Style Saengil (Birthday) Cake
Do you know about Korea’s “saeng-il cake”? “Saeng-il” means birthday cake.
Its特徴 is that it’s made with buttercream instead of whipped cream, and unlike Japanese birthday cakes that are lavishly decorated with lots of fruit, it has a simple, cute look.
The pastel-colored creams—like pink and blue—are colorful and eye-catching.
In this article, we introduce handmade ideas for saeng-il cakes.
There are also options you can easily make with store-bought items or whipped cream, so try making one for a loved one’s birthday or a party!
[Easy Recipe] How to Make a Korean-Style Saengil (Birthday) Cake (1–10)
Simple minimalist birthday cake
If you’re trying a birthday “saengil” cake for the first time, why not start with a standard buttercream cake with a simple look? Buttercream may seem intimidating, but there are plenty of easy, beginner-friendly recipes on video sites.
Let the butter come fully to room temperature and beat it until creamy, then combine it with a meringue made from egg whites.
It’s a bit more work than whipped cream, but it’s easier than you might think.
Whipped cream birthday cake
For seon-il cakes, it’s common to use buttercream made by combining butter and meringue rather than whipped cream.
Buttercream has a rich, thick texture that’s delicious, but for those who aren’t fond of it, here’s the idea of making it simply with whipped cream instead.
Another advantage is that whipped cream is more economical.
Many people are also more accustomed to handling whipped cream in everyday baking.
Tint it your favorite color and use it for decoration.
one-coin birthday cake (for a K-pop idol’s birthday celebration)
The standard method of baking a sponge cake and decorating it takes both time and effort.
Here’s an idea for a birthday “saengil” cake that’s easy to make using store-bought items—and costs only about a single coin.
All you need is a commercially available round chiffon cake, like the ones you can find in the bread section.
Fill it with fruit and decorate it with whipped cream.
When it comes to saengil cakes, pastel-colored cream is a must.
Try making it with your favorite color of food coloring!
Bento mini cake
These days, even cute bento containers are sold at 100-yen shops, aren’t they? This is a birthday (“saeng-il”) cake arranged in one of those bento containers.
Let’s bake small round sponge cakes using a silicone pancake mold and decorate them however you like.
Instead of placing them directly into the bento box, line it with colorful wax paper or lace paper—this makes it look adorable and very photogenic! It’s perfect for picnics too, so take it along for outings on special occasions.
Various design ideas
Seon-il cakes are colorful and visually beautiful, but their clean and simple look can make them feel intimidating to people who don’t usually bake—plus there are so many designs that it’s hard to choose.
How about checking out a collection of designs packed with the charm of seon-il cakes for inspiration? As a tip, use two or more cream colors, or create light and dark shades of the same color.
The way you spread and pipe the cream also changes the overall impression, so it’s fun to experiment with different piping tips.
Made with a cheese steamed cake
Let’s make a birthday “saeng-il” cake using cheese steamed cakes you can buy at supermarkets or convenience stores! Cut one diagonally, flip one half over, and stick them together—before you know it, you’ve got a heart shape.
Slice it horizontally, add cream and fruit in the middle, and decorate.
Finish by sprinkling on chocolate sprinkles you can pick up at a 100-yen shop, and it’s done! It’s simple and easy, yet you end up with an adorable heart-shaped cake—that’s a big plus, right?
Icing cookie decoration
Decorating with buttercream or whipped cream can be nerve-wracking because you don’t get a do-over, right? And I’m sure many people find that it doesn’t go as smoothly or as neatly as it looks in videos.
It does take a bit more effort, but how about piling on decorations with iced cookies instead? With icing cookies you still paint and draw, but it’s much easier to fix or redo things.
You can match the icing color to the cream, or go all out with bright, colorful icing—both will look super cute!
Simple flower design
This is a birthday cake decorated with flowers in a bright, cheerful yellow that instantly lifts your spirits.
The base is covered with a pale yellow cream, while the centers of the flowers and the lettering use a slightly deeper yellow, creating an eye-catching tone-on-tone effect.
Even if piping designs with cream feels difficult, this level seems doable, doesn’t it? Simple flowers like cosmos would make a lovely gift, too.
With a few tweaks, you could also represent seasonal flowers.
cloud birthday cake
Here’s a super cute birthday cake (saengil cake) idea with puffy clouds floating in a blue sky.
Saengil cakes often use soft pastel decorations like light blue, pink, and purple.
Among them, light blue cakes are quite common, and if you add clouds on top… isn’t that insanely cute? Before coloring the whipped cream, set some aside in a piping bag.
After spreading the colored cream over the sponge, pipe the uncolored cream on top so it looks fluffy and floating.
You just pipe round dollops and line them up, so it’s relatively easy to do.
Made with store-bought sponge cake
When making a cake, the sponge layer is the part most likely to go wrong.
Have you ever had it not rise as you expected, or turn out with a dry, crumbly texture? And it takes a long time to bake, too.
Here’s a game-changing idea: use a store-bought sponge cake for that time-consuming layer! If you use a ready-made sponge, all you need to do is slice and add the fruit, then focus all your attention on decorating.
The taste is guaranteed, so give it a try.