Japan (evolved from Chinese frying techniques; widespread from 1960s through convenience store and izakaya culture)
Karaage (唐揚げ, 'Chinese-style frying' — though the 'Chinese' connection is historical rather than flavour) is the definitive Japanese fried chicken technique — bite-sized bone-in or boneless chicken pieces (typically thigh, never breast for premium preparations) marinated in soy sauce, sake, ginger, and garlic, then dredged in potato starch (katakuriko) and double-fried to achieve the characteristic crisp, shattering exterior encasing juicy, steam-cooked interior. The marinade penetrates the chicken and provides flavour throughout (not just surface seasoning); the potato starch coating produces a lighter, more delicate crust than wheat flour; and the double-fry technique (first at lower temperature 160°C to cook through, rest, then second at higher temperature 180°C for 1–2 minutes to achieve the shattering crust) is the professional technique that produces karaage that stays crisp for far longer than single-fry preparations. Karaage is the most-ordered dish at Japanese izakaya, a standard bento component, a convenience store staple, and a professional benchmark — the quality of a kitchen's karaage reveals their oil temperature control and marinade precision. Served with lemon (squeezed over) and Japanese mayonnaise for dipping.
Savoury soy-ginger marinade throughout; shattering, crisp, light starch crust; juicy thigh interior; lemon brightness and mayo richness complete the experience
{"Thigh not breast: dark meat remains juicy under the intense frying; breast dries and loses juiciness","Potato starch (katakuriko) coating: produces lighter, crisper, more delicate crust than wheat flour","Soy-sake-ginger-garlic marinade: minimum 30 minutes; up to overnight for deeper penetration","Double-fry technique: 160°C to cook through, rest 5 minutes, then 180°C for crust — the professional standard","Bone-in version retains more moisture but requires longer initial cook; boneless for speed and uniformity"}
{"After the first fry: rest on a rack, not paper towel — the steam must escape, not be trapped under the piece","The resting time between fries (5 minutes) allows residual internal heat to continue cooking; essential for food safety","Katakuriko vs cornstarch: katakuriko produces lighter, more translucent, crunchier crust; cornstarch is an acceptable substitute","For restaurant-quality karaage: marinade overnight; the depth of flavour penetration is not achievable with 30 minutes"}
{"Single fry — the interior cooks too slowly at high temp or the exterior burns; double fry solves this","Wet marinade on the chicken surface before coating — excess moisture prevents crust formation; pat dry after marinating","Using breast meat — dries out irreversibly at frying temperatures; thigh is non-negotiable","Insufficient oil volume — the pieces must be fully submerged; shallow frying produces uneven crust"}
Tsuji Shizuo, Japanese Cooking: A Simple Art