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