Small-Batch Valentine Chocolate Cake

This recipe makes a perfectly sized chocolate cake for two people—no leftovers sitting around for a week.

It bakes in a 6-inch pan and delivers the same rich, tender crumb as a full-sized cake.

Why You’ll Love It

  • Perfect portion for two people
  • Ready in under an hour
  • Uses pantry staples
  • No mixer required for the batter
  • Rich chocolate flavor without being too sweet

Ingredients

For the Cake

  • 1/2 cup all-purpose flour
  • 1/4 cup unsweetened cocoa powder
  • 1/2 cup granulated sugar
  • 1/2 teaspoon baking soda
  • 1/4 teaspoon baking powder
  • 1/4 teaspoon salt
  • 1 large egg, room temperature
  • 1/4 cup buttermilk (or 1/4 cup milk + 1 teaspoon white vinegar)
  • 2 tablespoons vegetable oil
  • 1/2 teaspoon vanilla extract
  • 1/4 cup hot coffee (or hot water)

For the Chocolate Frosting

  • 4 tablespoons unsalted butter, softened
  • 1 cup powdered sugar
  • 2 tablespoons unsweetened cocoa powder
  • 2 tablespoons heavy cream
  • 1/2 teaspoon vanilla extract
  • Pinch of salt

Optional Decorations

  • Fresh raspberries
  • Heart-shaped sprinkles
  • Chocolate shavings

Steps

  1. Preheat your oven to 350°F (175°C).
  2. Grease a 6-inch round cake pan and line the bottom with parchment paper.
  3. Whisk together the flour, cocoa powder, sugar, baking soda, baking powder, and salt in a medium bowl.
  4. Add the egg, buttermilk, oil, and vanilla to the dry ingredients.
  5. Mix until just combined—don’t overmix or the cake will be tough.
  6. Pour in the hot coffee and stir until the batter is smooth.
  7. The batter will be thin, and that’s exactly right.
  8. Pour the batter into your prepared pan.
  9. Bake for 25-30 minutes, or until a toothpick inserted in the center comes out clean.
  10. Let the cake cool in the pan for 10 minutes, then turn it out onto a wire cooling rack.
  11. Cool completely before frosting—about 45 minutes.
  12. For the frosting, beat the softened butter with a hand mixer until fluffy, about 2 minutes.
  13. Add the powdered sugar and cocoa powder gradually, mixing on low speed.
  14. Pour in the heavy cream, vanilla, and salt.
  15. Beat on medium-high for 2-3 minutes until light and spreadable.
  16. Spread the frosting over the cooled cake using an offset spatula.
  17. Add your decorations and serve.

Helpful Tips and Substitutions

Room temperature ingredients blend better and create a more even crumb.

No buttermilk? Mix 1/4 cup milk with 1 teaspoon of white vinegar and let it sit for 5 minutes.

Hot coffee intensifies the chocolate flavor without making the cake taste like coffee.

If you don’t drink coffee, use hot water instead.

For a darker chocolate flavor, use Dutch-process cocoa powder.

You can double this recipe and bake it in an 8-inch pan for 30-35 minutes.

A cake leveler helps create an even top if your cake domes during baking.

Serving Ideas

Slice and serve with a scoop of vanilla ice cream.

Add a drizzle of raspberry sauce for extra Valentine’s Day flair.

Dust with powdered sugar and serve alongside fresh strawberries.

Pour two glasses of champagne or sparkling cider for a complete date-night dessert.

Make-Ahead and Storage

Store the unfrosted cake wrapped tightly in plastic wrap at room temperature for up to 2 days.

Once frosted, keep the cake covered in the refrigerator for up to 4 days.

Bring refrigerated cake to room temperature for 30 minutes before serving for the best texture.

The unfrosted cake freezes well for up to 2 months—wrap it in plastic wrap, then foil.

Thaw frozen cake overnight in the refrigerator before frosting.

The frosting can be made 3 days ahead and stored in an airtight container in the fridge.

Beat chilled frosting for 1 minute before using to restore its spreadable texture.

A Sweet Finish for Two

This small-batch chocolate cake delivers everything you want for Valentine’s Day without the commitment of a full-sized dessert.

The texture is moist, the chocolate flavor is rich, and the portion is just right.

Bake it for your partner, your best friend, or yourself—no judgment here.

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