Mix together sugar, flour, cocoa powder, baking soda, and salt. Add the eggs, buttermilk, oil, and vanilla.
1
Add in boiling water of hot coffee. Pour into a cake pan and bake.
2
Separately, mix together sugar, flour, cornstarch, salt, and cocoa powder. Whisk in milk and simmer until thickened.
3
Pour into a bowl and chill. Separately, melt chocolate. Beat butter and vanilla in a stand mixer.
4
Add the cooled chocolate mixture and mix until smooth. Beat in the melted chocolate.
5
Frost the cooled cake with the frosting and serve. Enjoy this best ever chocolate cake!
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Watch our full step by step instructional video to learn how to make the best Chocolate Cake.