John Gregory-Smith on Instagram: "My Mums Gravy – This easy gravy recipe is perfect if you are making a roast dinner. It’s an awesome gravy recipe because you can make the bulk of it way ahead if you want to and then just finish it off ion the day. Enjoy x John serves 6 60g plain flour 60g butter 400ml white wine 1 chicken stock cube or stock-pot 250ml water Salt and pepper 1. Put the flour in a saucepan and place over a medium heat. You want to lightly brown the flour by toasting it. Keep stirr