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Valentine's Day lunchbox cake decorated with hearts and vibrant colors

Valentine’s Day Lunchbox Cake

A cute and festive Valentine’s Day lunchbox cake featuring soft vanilla cake layers frosted with creamy buttercream — perfect for gifting or a sweet personal treat.
Prep Time 25 minutes
Cook Time 25 minutes
Total Time 50 minutes
Course Dessert
Cuisine American
Servings 2 mini cakes
Calories 420 kcal

Equipment

  • Mixing bowl
  • Hand Mixer
  • Cake Pans
  • Spatula

Ingrédients
  

Vanilla Cake

  • 1 cup all-purpose flour
  • 1 tsp baking powder
  • 1/4 tsp salt
  • 1/2 cup granulated sugar
  • 1/4 cup unsalted butter softened
  • 1 egg room temperature
  • 1/2 cup milk
  • 1 tsp vanilla extract

Buttercream Frosting

  • 1/2 cup unsalted butter softened
  • 1 1/2 cups powdered sugar
  • 1 tsp vanilla extract
  • 1–2 tbsp heavy cream as needed
  • pink or red food coloring optional
  • sprinkles optional decoration

Instructions
 

  • Preheat oven to 350°F (175°C). Grease and line small cake pans.
  • Whisk flour, baking powder, and salt in a bowl.
  • Beat butter and sugar until light and fluffy. Add egg and vanilla, mixing well.
  • Alternate adding dry ingredients and milk until just combined.
  • Divide batter into pans and bake for 20–25 minutes. Cool completely.
  • Beat butter for frosting until creamy. Add powdered sugar, vanilla, and cream until smooth. Tint if desired.
  • Assemble mini cakes with frosting between layers and on the outside. Decorate with sprinkles.

Notes

Perfect for gifting in a lunchbox-sized container. Customize with love notes or themed piping.
Keyword Lunchbox Cake, Mini Cake, Romantic Baking, Valentine's Day dessert