Chocolate Orange Cake with Zesty Chocolate Frosting is a moist, rich chocolate cake infused with fresh orange juice and zest, layered and topped with fluffy chocolate-orange frosting. The citrus brightness balances the deep cocoa flavor, making it an indulgent yet refreshing dessert.
1 3/4 cups flour
1 3/4 cups sugar
3/4 cup unsweetened cocoa powder
1 cup buttermilk
2 tsp baking powder
1 tsp baking soda
1 tsp salt
1/2 cup oil
1/2 cup fresh squeezed orange juice
1/2 cup hot water
2 large eggs
1 tsp orange extract
1 tsp orange zest
For the Frosting:
1 1/2 cups butter, softened
1 cup unsweetened cocoa powder
5 cups powdered sugar
1 tbsp orange juice
1/2 tsp orange extract
For cupcakes, bake 18–20 minutes.
Enhance orange flavor by adding extra zest or swapping water for orange juice.
For extra indulgence, drizzle chocolate ganache on top.
Cake keeps 2 days at room temperature, 5 days in fridge, or up to 2 months frozen.
Line pans with parchment to prevent sticking.