Moist Chocolate Birthday Cupcakes

Every kid enjoys their birthday party and having a great birthday cake. In addition to a big birthday cake, birthday cupcakes are mandatory to make that party fun. These chocolate cupcakes with vanilla buttercream are so moist and creamy that one or two won’t be enough 😉

That’s why this recipe makes 24 of them 😋

If you want to make only dozen, just half the recipe for the cupcakes and for the buttercream.

I made these for my nephews birthday when we were back in Croatia and he and his friends loved them so much. Colorful pearls or sprinkles makes them even more appealing. 😉


For the cupcakes

  • 430 g (2 1/4 cup) granulated sugar
  • 220 g (1 3/4 cup) all-purpose flour
  • 70 g (5/8 cup) unsweetened cocoa powder
  • 2 tsp baking powder
  • 2 tsp baking soda
  • 1 tsp salt
  • 2 eggs
  • 235 ml (1 cup) milk
  • 120 ml (1/2 cup) vegetable or similar oil
  • 1 tsp vanilla extract
  • 235 ml (1 cup) boiling water

For the vanilla buttercream

  • 450 g (2 cup) unsalted butter, room temperature
  • 650 g (5 cups) powdered sugar
  • 2 tbsp vanilla extract
  • 10 tbsp heavy cream


  1. Preheat oven to 175 °C (350 °F).
  2. Prepare 24 muffin tins – grease and flour them or use paper/silicon molds.
  3. In the large bowl mix together all the dry ingredients – sugar, flour, cocoa, baking soda, baking power and salt.
  4. In a separate bowl or in a stand alone mixer mix together the moist ingredients – eggs, milk, oil and vanilla.
  5. Add the dry ingredients in the moist ingredients, and mix for three minutes on medium speed.
  6. At the end stir in the boiling water.
  7. Fill each tin about about 2/3 full because they will rise while baking.
  8. Bake 30 to 35 minutes, until a toothpick comes out clean.

Note: This batter is very, very thin. Don’t worry, the cupcakes will still turn out amazing!

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