Steps:
1.
Clean the mussel shells very well (you´ll need to use them later)
2.
Place the mussels in a pan and add the white wine then cook with the lid on
3.
When the mussel shells have opened remove the flesh and place on a plate (put
the shells to one side for use later)
4. Chop the onion and peppers
finely and sauté in 3 tbsp olive oil then peel and chop the tomato, add
to the mixture and season with salt
5. Chop the mussels finely and
add to the mixture
6. Fill the mussel shells with the mixture and
top with bechamel (see below for instructions on how to make bechamel)
7.
Cover with flour, beaten egg and the breadcrumbs (not the shell) and fry in hot
oil until the breadcrumbs are golden