This Vegan Sweet Potato Chocolate Buttercream is perfectly sweet, luxuriously rich and creamy, and unbelievably healthy! It's also refined sugar free and requires just 6 simple ingredients! One of my favourite sweet treats used to be a rich, chocolatey sponge layer cake enveloped in decadent chocolate buttercream frosting. Since going dairy-free, a lot of vegan buttercream recipes I've seen rely on