4 large Sardines, discard guts, if it has few scales on it, just run the knife over the skin to remove, remove entrails, run your thumb to split, pull out the backbone than wash with cold water and drain
~2/3 cup sunflower oil
1/2 cup flour, all purpose
1/2 cup water
1 egg yolk
1/2 tsp baking powder
Mix all the batter ingredients in a shallow plate with fork. Put it aside for about 30 minutes.
Place the Sardines on a paper towel to soak up extra water, dry them well. Pour the sunflower oil into a medium sized pan and heat it up over medium heat. Dip into the butter each Sardines and fry until they are golden colour.
Place the fried Sardines on a plate with paper towel on it to soak up the extra oil. Serve with lemon wedges, radish, Arugula Salad or Avocado Salad.