blanched almonds
brazil nuts
sweet potato, mashed
leeks
fennel?
apple, grated
carrots, small chunks
parsnips, likewise
vegetable (or possibly Marmite) stock
all of the herbs and spices (some combination of paprika, rosemary, pepper, cinnamon, plus STUFF)

... cooked together into a nut-roast-y thing.

I am making this up as I go along. Other suggestions gratefully received, excepting that I'm deliberately avoiding tomato; cooking by consensus is fun!