Natasha Miller a Canadian artist uses her own mixture of charcoal/soot/ash mixture and acrylic paint on acid free paper for her original paintings.
“Natasha Miller is a self taught artist who was born and raised on Vancouver Island but now lives on a tiny island in the Bay of Fundy. Natasha has pioneered and specializes in a unique painting technique where she creates monochrome silhouette seascapes and landscapes using a homemade maple charcoal\ash\soot compound from her mobile Italian wood fired pizza oven (Eco pizza art!) and acrylic paint used for the splashes of colour and fine details. She has always drawn inspiration from the silhouettes all around- sunsets foreshadowed by trees and Canada’s rugged coastlines, the sea and it's boats, birds and beaches and her current work reflects this. Natasha's work is represented in over a dozen commercial galleries in Canada, the U.S., Europe and online.” https://www.nrmiller.com