This soft and fluffy birthday cake is perfect for every kind of celebration from an elegant 18th birthday cake vintage style to the trendy bento cake design birthday aesthetic everyone loves. The buttery vanilla sponge and creamy frosting serve as the ultimate canvas for a vintage 20th birthday cake, a bold aesthetic red birthday cake, or a minimal bento cake 22 birthday look. Whether you’re prepping a 19th birthday cake, a red and white birthday cake, or a tiny bento vintage cake, this recipe stays beginner-friendly, beautiful, and incredibly delicious. You can customize the colors, piping, and decorations to match any birthday theme in seconds.
table of contents
Time Breakdown
- Prep Time: 20 minutes
- Cook Time: 25 minutes
- Total Time: 45 minutes + cooling
- Servings: 10–12 slices (or 4–6 mini bento cakes)
Ingredients List
Vanilla Cake
- 2 ½ cups (300 g) all-purpose flour
- 1 ½ cups (300 g) sugar
- 1 tbsp baking powder
- ½ tsp salt
- 1 cup (230 g) butter, softened
- 4 large eggs
- 1 tbsp vanilla extract
- 1 cup (240 ml) milk
Buttercream Frosting
- 1 cup (230 g) butter, softened
- 4 cups (480 g) powdered sugar
- 2–4 tbsp heavy cream or milk
- 2 tsp vanilla extract
- Optional coloring: red gel, pastel pink, or vintage tones
Decorations (Choose Your Aesthetic)
- Red + white frosting (for aesthetic red birthday cake)
- Vintage piping tips
- Bento cake boxes
- Pastel sprinkles
- Number toppers (18, 19, 20, 22)
Kitchen Tools You’ll Need
This recipe doesn’t require fancy gadgets, just a few reliable kitchen basics to keep everything simple and stress-free.
- Two 8-inch cake pans
- Mixing bowls
- Electric mixer
- Rubber spatula
- Piping bags + tips
- Offset spatula
- Cake turntable (optional)
- Baking sheet (for mini bento cakes)
Step-by-Step Beginner-Friendly Instructions
- Prep the pans
- Preheat oven to 350°F (175°C).
- Grease pans and line with parchment.
- Mix dry ingredients
- Combine flour, baking powder, and salt.
- Cream butter + sugar
- Beat butter and sugar 2–3 minutes until fluffy.
- Add eggs + vanilla
- Mix in eggs one at a time.
- Add vanilla and beat until smooth.
- Add milk + dry mixture
- Alternate adding dry ingredients and milk.
- Batter should be smooth and creamy.
- Bake
- Divide batter between pans.
- Bake 23–27 minutes until lightly golden.
- Make frosting
- Beat butter until creamy.
- Add powdered sugar gradually.
- Mix in vanilla + cream until fluffy.
- Decorate your way
Vintage: Use pastel tones + piping details.
Bento style: Cut small circles from a sheet cake.
Red + white birthday cake: Use bold red frosting + clean white accents.
18th/19th/20th/22nd birthday: Add number toppers + themes.
Pro Tips
- For ultra-smooth frosting:
Heat spatula under warm water for flawless edges. - Vintage look:
Use shell borders, scallops, and cursive writing. - Bento cake hack:
Bake batter on a sheet pan and cut with a cookie cutter. - Storage:
Stays fresh 3 days refrigerated or 2 months frozen (unfrosted).
Nutrition Table
| Serving Size | Calories | Protein | Carbs | Fat | Fiber | Sugar |
|---|---|---|---|---|---|---|
| 1 slice | 420 | 18g | 35g | 22g | 4g | 6g |

Vintage-Inspired Birthday Cake
Ingredients
Equipment
Method
- Mix dry ingredients (flour, baking powder, salt).
- Cream butter and sugar until light and fluffy.
- Add eggs and vanilla extract to the creamed mixture.
- Add milk and dry mixture in alternating parts.
- Bake in prepared pans until golden and a toothpick comes out clean.
- Cool completely, then frost and decorate vintage or bento style.
Nutrition
Notes
Tried this recipe?
Let us know how it was!Conclusion
This birthday cake recipe is a versatile base for any celebration from elegant vintage cakes to bold red designs and trendy bento cakes. Whether you’re creating an 18th, 19th, 20th, or 22nd birthday cake, this soft vanilla sponge and creamy frosting give you endless room for creativity and aesthetic designs that are perfect for Pinterest-worthy moments.
FAQs
Can I color the frosting any shade?
Yes gel colors work best for vibrant or pastel tones.
Can I make this as mini cakes?
Absolutely! Use a cookie cutter to create bento-sized rounds.
Does this cake freeze well?
Yes freeze unfrosted layers for up to 2 months.