1: Season Cod with salt and pepper and sear in olive oil and 2 tbs butter for about 2-3 mins per side and set it aside.
2: Slice shallot and sauté in the same pan until softened, add garlic, cook for another minute, then add wine, lemon juice and zest; simmer until the sauce reduces a bit.
3: Add tomatoes, cook them for a couple of minutes, add the rest of the butter and finally bring cod back into the pan; adjust salt and pepper and baste the fish into the delicious sauce.
4: Finish with chili flakes, basil and enjoy!