For the slaw, whisk up vinegar, sugar, salt, celery seeds and oil. Add cabbage and carrot, toss and let sit 1 hour.
For the fish, heat 1 ½ inches of oil in a skillet over medium to medium-high heat.
Rachael Ray 10.25-Inch Covered Deep Skillet
Rachael Ray 10.25-Inch Covered Deep Skillet
Line a sheet tray with parchment and a wire rack.
For the tartar sauce, in a small bowl, mix up sour cream or yogurt with juice of half a lemon, herbs, capers and chopped cornichons or relish.
Toss the fish with salt and the remaining lemon juice.
Add the flour to a large bowl. Slowly whisk in the beer, adding a little at a time until it reaches the consistency of a thin pancake batter.
Dip fish in batter to coat and cook 5 minutes, in batches, if necessary, until fish is cooked through and batter is deeply golden. Remove to prepared sheet tray with wire rack and sprinkle with salt while still hot.
Serve with sauce and slaw, malt vinegar and hot sauce.