1975 as ‘French chef’s kiss’—a gesture used to indicate that something is excellent or perfect—also a perfect or excellent person or thing—alludes to such a gesture stereotypically made by a chef on tasting a delectable dish
French, 1848; English, 1861—a small, oblong cake made of choux pastry, filled with cream, and typically topped with chocolate icing—literally ‘lightning’—origin unknown
UK, 1898—a small oblong piece of filleted or minced fish coated in batter or breadcrumbs, typically fried or grilled—but originally designated various dishes
USA, 1969—the action or process of becoming or being made plain, ordinary, uninteresting or insipid—from the adjective ‘bland’ and the suffix ‘‑ification’, forming nouns of action