Three quarter view of a slice of ganache cake with a fork next to it

Chocolate Ganache Cake

Make a decadent and moist chocolate cake topped with rich chocolate ganache

Recipe By: Madeline
Prep: 15 minutesCook: 1 hourTotal: 1 hour 15 minutes
Servings: 9 slices 1x


  • 1 stick (½ cup) butter – melted
  • 2 eggs – room temperature
  • 1 cup buttermilk – room temperature
  • 1 cup granulated sugar
  • 1 tsp instant coffee
  • ¾ cup all purpose flour
  • ½ cup dutch process cocoa powder
  • 1 tsp baking soda
  • 1 tsp baking powder
  • ½ tsp kosher salt
  • 1 cup semi sweet chocolate chips
  • ½ cup heavy cream


  1. Preheat oven to 350F.
  2. In a large mixing bowl whisk together melted butter, eggs, buttermilk, sugar, and instant coffee until smooth.
  3. Pour flour, cocoa powder, baking soda, baking powder and salt into the bowl. Whisk again until a smooth batter remains.
  4. Pour batter into a greased or lined 8×8 baking pan and smooth into an even layer. Bake at 350F for 40 minutes.
  5. Remove cake from the oven and set aside.
  6. Immediately prepare chocolate ganache. Pour semi-sweet chocolate chips into a mixing bowl. Heat heavy cream in a sauce pan over high heat until it just starts to boil. Pour scalded cream over the chocolate chips and whisk immediately. Continue whisking until completely smooth.
  7. Pour ganache over warm cake in the pan and smooth over top.
  8. Allow cake to cool completely before cutting into slices.
  9. Store leftovers in the refrigerator.
This website provides approximate nutrition information for convenience and as a courtesy only. Nutrition data is gathered primarily from the USDA Food Composition Database, whenever available, or otherwise other online calculators.