01 -
Wrap sweet potato in a damp paper towel and microwave on high for 5 minutes. Flip and microwave for another 5 minutes, repeating as needed until fully soft. Alternatively, boil or roast the sweet potato until tender. Allow to cool completely for easy peeling.
02 -
Remove skin from cooled sweet potato. Mash thoroughly until creamy and measure 240 grams (approximately 1 cup) mashed sweet potato.
03 -
Preheat oven to 175°C. Line a 23-cm square baking pan with parchment paper or lightly grease.
04 -
In a large mixing bowl, combine mashed sweet potato, almond butter, eggs, maple syrup, vanilla extract, and vinegar. Mix until a thick, cohesive mixture forms. If almond butter is firm, warm briefly until pourable.
05 -
Add cocoa powder, baking soda, cinnamon (if using), and sea salt to the wet mixture. Mix thoroughly until smooth cake batter forms.
06 -
Transfer batter to prepared pan, smoothing to an even layer. Bake on the center rack for 23–28 minutes. Insert a digital thermometer into the center to check doneness; temperature should read 88–96°C and a tester should come out mostly clean.
07 -
While cake is baking, combine chocolate chips, coconut milk, and coconut oil in a bowl. Microwave in 20-second increments, stirring between each, until fully melted and smooth (about 60 seconds).
08 -
Pour warm ganache over the hot cake and spread evenly. Allow cake to cool completely at room temperature, or refrigerate to set the ganache and speed cooling.
09 -
Slice cooled cake into 12 servings and enjoy.