Instead, buy flounder from March to November. To cook whole flounders, trim away the fins, head and blood-line, then grill or bake whole with citrus, herbs and butter as you would cook turbot.
Winter flounder—a.k.a. lemon sole when it’s big ... and place the fish light skin side down in the pan. Place in oven and roast until the flesh turns white and pulls away from the bones ...