There is a fast food chain in Singapore which used the left over fibres in granola bars. At least that's what they said in a documercial: https://www.mrbean.com

There is a fast food chain in Singapore which used the left over fibres in granola bars. At least that's what they said in a documercial: https://www.mrbean.com.sg/product-category/granola https://www.mrbean.com.sg/product-category/granola