Ingredients
For the Sponge:
1/2 cup all-purpose flour
1/4 cup sugar
1 egg
2 tbsp milk
1 tbsp oil
1/2 tsp vanilla extract
1/2 tsp baking powder
For the Buttercream:
1/4 cup unsalted butter
1 cup powdered sugar
1 tbsp milk
Food coloring (optional)
Optional Fillings:
Strawberry jam
Whipped cream
Lemon curd
Chocolate ganache
Instructions
Preheat oven to 350°F (175°C). Grease and line a 4-inch cake pan.
Mix sponge ingredients until smooth. Pour into the pan and bake for 18–20 minutes.
Cool completely and slice into 2 layers.
Prepare buttercream by beating butter and sugar until fluffy. Add milk and coloring.
Fill the cake with your choice of jam, curd, or cream.
Frost the cake with a smooth buttercream finish.
Decorate with short messages, hearts, flowers, or minimalist designs.
Chill the cake for 20 minutes before boxing.
Notes
Keep refrigerated until delivery.
Use compostable lunch boxes for eco-friendly packaging.
Ideal for birthdays, office gifts, or just a sweet surprise.
- Prep Time: 30 minutes + Decorating
- Cook Time: 20 minutes
- Category: Cakes, Dessert
- Method: Baked
- Cuisine: Modern, Korean-inspired
- Diet: Vegetarian
Nutrition
- Serving Size: 290–350 kcal
- Calories: 290–350
- Sugar: 15–20g
- Sodium: 90mg
- Fat: 15–18g
- Saturated Fat: 8–10g
- Unsaturated Fat: 5–6g
- Trans Fat: 0g (if homemade)
- Carbohydrates: 30–35g
- Fiber: ~1g
- Protein: 3–4g
- Cholesterol: ~35mg