The present invention provides a method for the preparation of a myceliated coffee product. This method providing green coffee beans and sterilizing the green coffee beans to provide prepared green coffee beans, and a step of inoculating the prepared green coffee beans with a prepared fungal component and culturing the inoculum to prepare the myceliated coffee product. The methods of the instant invention result in prepared green coffee beans and myceliated coffee products having reduced levels of undesirable taste components, such as chlorogenic acids, and increased levels of myceliation products, such as beta glucans and polysaccharides, relative to starting green coffee beans.