Keep them in the paper and enjoy with Cava, Prosecco or Champagne. Uplifts the meal to anther level. Proper vinegar not non brewed condiment vital to !
Also a local chippy run by a lovely Turkish family used to let us take in a bottle if we sat down in the red banquettes section .
Sadly after years of ownership they sold it and returned home.
I wouldn’t eat fish & chips in a new Morgan if I got one -