Cook the mushrooms until they are soft, add the breadcrumbs and season.

Add the nuts and season with the salt and pepper.

Add more oil if necessary and season with salt and pepper.

Return to saucepan, add lemon juice, and season to taste.

Add the salt and season, to taste, with freshly ground black pepper.

Bring to a simmer, add lemon zest and season to taste with salt.

Add salt, and season with black pepper to taste.

Add the milk and season with a pinch of pepper.

Add all the prepared vegetables and season with salt and pepper.

Add the oil gradually, and season with salt and pepper.