Soak the quinoa in water for 10 minutes. Drain and set aside.
Peel the squash, scrape out the seeds, then cut the flesh into 2cm cubes.
Finely chop the onion & garlic and gently fry them for 5 minutes in a little oil heated in a heavy-based saucepan .
Mix together the spices, add this to the onion, fry for a minute.
Stir in the tomato paste, then add the drained quinoa and squash pieces.
Add the chopped tomatoes and enough water/stock to cover the vegetables completely.
Cook for about 15 minutes.
When the squash has softened and the sauce thickened, add the beans and heat through for 2-3 minutes.
Chop the coriander and stir most of it in.
Serve warm and scatter the remaining herb on top.