To make cake: Preheat oven to 300 F. Lightly spray bottom and sides of 8-inch springform pan with coconut oil spray. Place round piece of parchment paper in bottom of pan and lightly spray with coconut oil spray.
In small saucepan over low heat, place butter and vanilla. Use sieve to sift cocoa into saucepan. Stir with spatula until completely smooth. Remove from heat and set aside.
In bowl of food processor fitted with āSā blade, place prunes and syrup. Top with cooled butter mixture then process until smooth. Transfer to large mixing bowl, scraping all chocolate mixture from food processor with spatula.
In bowl of stand mixer fitted with whisk attachment, whip eggs and coconut sugar on high speed 7 minutes, or until tripled in volume.
Add one-third of egg mixture to bowl with chocolate mixture. Using spatula, gently fold together until completely combined. Add almond meal and remaining egg mixture to bowl and gently fold to combine.
Pour batter into prepared pan and bake 55 minutes, or until set. Once cooked through, transfer cake to cooling rack and cool completely in pan.
To make ganache: In top of double boiler, melt coconut milk and dark chocolate until completely smooth. Pour prepared ganache over cake. Serve immediately for molten fudge effect or allow to completely set.