Marigold Health Gluten Free Organic Gravy Powder Marigold Health brings you an exciting organic gluten free gravy powder, suitable for vegans. Usage level: Stir 70g of gravy powder into 1 litre of cold water, bring to boil, reduce heat and simmer for 5 minutes until gravy thickens Marigold Health Gluten Free Organic Gravy Powder Marigold Health brings you an exciting organic gluten free gravy powder, suitable for vegans. Usage level: Stir 70g of gravy powder into 1 litre of cold water, bring to boil, reduce heat and simmer for 5 minutes until gravy thickens