Preheat oven to 350 degrees F and line two 9" round cake pans with parchment paper or muffin pans with 24 baking cups.
Sift together dry ingredients. Set aside.
Whisk together wet ingredients, except whipped aquafaba.
Pour wet mixture into dry and stir until just combined.
Gently fold in whipped aquafaba until just incorporated.
Pour batter into cake pans.
Bake 30 minutes for cake or 20 minutes for cupcakes, or until toothpick comes out clean.
Cool in pans on wire rack for 10 minutes, then remove from pans and cool completely.