one cake, one filling
two icings, one mixing bowl
not washed in between

source, 12 servings
cake: 1 c flour, scant 1/2 c cocoa, 1 t powder, 1/2 t soda, pinch salt, 1 c elmhurst milked walnuts, 1/4 c canola, 1/2 c maple syrup, 1/4 c sugar, 1 t cider vin, 1 t vanilla; filling: 1 stick vegan butter, 1/4 c shortening, 2.5-3 c powdered sugar, 2 t vanilla; icing: 1/3 c elmhurst milked walnuts, 4 oz melted bittersweet chocolate, 2 T maple syrup; royal icing: 2 c powdered sugar, 1-2 T elmhurst milked walnuts
cake: mix, bake in silpat muffin tins, 350 F, 25 minutes; filling: beat; icing: mix; royal icing: mix; pipe filling into cooled cupcakes, chill 15 minutes; dip in icing, chill until set; pipe royal icing on top