Cut the pumpkin into 2 cm cubes and boil for 10 minutes
Drain the pumpkin and place in a bowl with water and ice to stop cooking
Drain and mix with the couscous
Heat vegetable stock to boiling, pour into a bowl with couscous, stir and cover for 5 minutes
Sauté diced red onion and zucchini in oil in a frying pan for 5 minutes, then add to the couscous