[null and void]

I gather it is like a ceveche, where the food is “cooked” chemically, an acidic fruit juice, like lemon, is put on raw seafood to denature the proteins as heat would.

[Cardhu]

Here are the ingredients to the Spanish recipe.

Ingredients:

4½lbs of large mussels
1 large onion
3 cloves of garlic
10oz smoked bacon
2 cups of white sauce, Béchamel (as for croquettes)
2 eggs
   flour
   parsley
   bread crumbs
   Olive oil
2 laurel leaves, trim off lower branches
1 glass of white wine

Here is a recipe in English with a slight variation on the ingredients:

Spanish Food

[Cardhu]

Yeah - what you say. LOL