Rinse and pat dry sole fillets.
Whisk together, salt, pepper and flour, then sprinkle over fillets until completely coated.
Gently tap flour to stick and shake off excess.
Heat oil in skillet on high, and once hot carefully add sole fillets.
Cook on each side for approx. 2 mins, at which time they should be golden.
Set sole fillets aside and tent with aluminum foil to keep warm.
Allow skillet to cool a little, then wipe clean with paper towels.
Heat skillet on high once more then add butter.
Just before the butter has completely melted add lemon zest and juice.
Lower heat to medium and stir to combine.
Add caper berries, and allow the berries to heat through and flavor release.