01 - Combine chickpeas, banana, almond milk, maple syrup, cinnamon, ginger, cardamom, vanilla, and salt in a blender.
02 - Blend on high speed until completely smooth and creamy.
03 - Transfer the mixture to a small saucepan and gently heat over medium-low heat, stirring occasionally, until warm, about 5 minutes. Avoid boiling.
04 - Pour into heatproof mugs or glasses. Garnish with a sprinkle of cinnamon and toasted nuts if desired, and serve immediately.