This is how my grandparents ate when there were no refrigerators

What ingredients do I need to make pickled sardines?
Fresh sardines, 750 g.
To fry the sardines, mix corn flour or chickpea flour in equal parts.
Olive oil, 200 ml.
White wine, 50 ml.
Vinegar, 50 ml. (the recipe calls for apple cider vinegar).
Laurel, 4 - 5 leaves.
Garlic, 4 - 5 pieces.
Peppercorns.
Sweet paprika.
Salt.