100 g (4 oz) butter
1 large onion, skinned and sliced 50 g (2 oz) mushrooms, wiped
2 courgettes, sliced
175 g (6 oz) aubergine, quartered and sliced 1 red pepper, seeded and sliced
3 tomatoes, skinned and chopped salt and pepper
215 ml(7 1/2 oz) fresh milk
100 g (4 oz) plain flour
3 eggs, beaten
40 g (1 1/2 oz) walnut pieces, chopped
100 g (4 oz) Cotswold cheese, grated