Casserole of Dublin Bay Prawns with Herbs and Mushroom Flans

Preparing the Dublin Bay prawns

Rinse the shellfish in fresh running water, and then cut the heads from the tails. Discard the heads, and shell the tails by twisting the shells so that the flesh is separated and can be drawn out whole. You could do this by cutting the shells with scissors instead. Make a shallow incision along the tops of the tails and remo