Set oven to 325°F and prepare a 6″ springform pan.
Whisk chickpea flour and baking soda, make a well in the center.
Pour in almond milk and stir gently.
Whisk cocoa powder with sugar alternative until smooth.
Melt vegan butter with unsweetened chocolate, stir into cocoa mix.
Add chocolate mixture to flour bowl and mix until smooth.
Pour into prepared pan, bake 35–40 minutes until edges firm.
Rest on a wire rack for 30 minutes before serving.
