Heat milk to lukewarm and sprinkle with yeast, let stand for 5 mins to bloom
Mix flour, icing sugar, salt in a large bowl. Make a well in center
Melt vegan margarine, let stand a bit so it won't be too hot, then stir in aquafaba
Pour yeast into flour, stir with wooden spoon a little, then pour in margarine, knead
Cover dough and let rise for an H
Punch down dough and roll flat
Slice into rectangles as shown on picture (OR you can divide dough into small portions, without rolling it flat)
Place some filling, and shape dough into buns
Let rise for 20-30 mins, brush top with cashew milk and bake on preheated 350 F convection oven for 25 mins