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1
Preheat the oven to 350F.
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2
Cut a round parchment paper base for the bottom of the cake pan(s).
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3
Grease an 8-inch cake pan with coconut oil or olive oil spray, place the parchment paper round inside, and set aside.
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4
In a large bowl, whisk together the flour, almond meal, cocoa powder, baking powder, and salt.
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5
In a separate large bowl, combine the fully mashed avocado and granulated sugar.
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6
Slowly stir in the water, coconut oil, and vanilla extract.
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7
Slowly incorporate the flour mixture into the wet ingredients, stirring until the avocado is completely smooth.
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8
In a small bowl or measuring cup, combine the baking soda and apple cider vinegar and let them fizz.
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9
Add to the final cake batter.
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10
Batter will be thick.
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11
Pour the cake batter into the prepared cake pan, and bake on the middle rack for 20 minutes, or until a toothpick inserted in the center comes out clean.
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12
Let the cake cool in the pan, then transfer to a plate or cake stand.
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13
While the cake is baking, make the icing.
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14
Using a stand mixer or hand mixer, beat together the confectioners sugar, chocolate-hazelnut butter, and cocoa powder until smooth.
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15
Slowly add the almond milk and continue beating until combined.
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16
When the cake is completely cool, spread the icing evenly across the top and sides using an offset spatula.