Mix in sugar and yeast into milk, let bloom
Mix flour and fat until coarse crumble
Mix in yeast, sugar, aquafaba, salt, clementine zest
Knead, divide to two
Roll flat, spread filling, roll into jelly rolls
Let rest 40 mins
Brush top with 'egg' wash (aquafaba, aquafaba with brown sugar, maple syrup or whatever you prefer to brown it, optional)
Bake 350 F preheated for 25-30 mins