Vegan Zebra Cakes

Name: Vegan Zebra Cakes
Cuisine: European, Middle Eastern
Ingredients: 3/4 cup non dairy butter ((softened)); 3/4 cup organic cane sugar; 1/2 cup aquafaba ((liquid from drained chickpeas)); 1 teaspoon vanilla extract; 2 1/2 cups unbleached all-purpose flour; 1 1/2 teaspoons baking powder; 1 teaspoon sea salt; 2/3 cup non dairy milk; 3/4 cup non dairy butter ((softened)); 3/4 cup vegan marshmallow fluff; 1 teaspoon vanilla extract; 1 1/2 cups organic powdered sugar; 16 oz. vegan white chocolate chips; 4 oz. vegan chocolate chips