Take a look in your cupboard - see chickpeas, coconut milk and ten million different spices? You probably have everything you need for this. Hannah used coconut cream instead of milk and thinned it out with chopped tomatoes.
Soda bread is (perhaps the only thing that is) great for a lockdown. No buttermilk? Sour some milk with lemon or vinegar. No Stilton or walnut? Replace with another firm cheese or nut, or leave it out altogether.