Shishito

A beloved Japanese pepper typically harvested green and enjoyed for its mild, sweet flavour with just a hint of heat. Famous for its culinary roulette—roughly one in ten peppers develops surprising spiciness due to environmental stress factors. The thin-walled, finger-length pods blister beautifully when pan-fried, making them a staple of izakaya menus and home cooking throughout East Asia.

History & lineage

The shishito takes its name from the Japanese word "shishi", meaning lion - a reference to the wrinkled tip of the pod, said to resemble the head of a stylised guardian lion (shishi) found at temple gates throughout Japan. The full Japanese name, shishitōgarashi, literally translates as "lion-pepper". Shishitos arrived in Japan via Portuguese trade in the 16th century, descending from the same Capsicum annuum stock that produced Spain's padrón pepper. The two varieties remain genetically close cousins, and they share the famous "Russian roulette" trait: roughly one in ten peppers will be unexpectedly hot while the rest stay mild. The trigger is the same in both - environmental stress during cultivation produces unpredictable heat in a small percentage of pods. For most of its history, the shishito was a regional Japanese vegetable, particularly associated with Kyoto cuisine and the broader Kansai region. Its rise to international fame is recent: from the early 2010s, shishitos became a staple of American restaurant menus, blistered and salted in the izakaya tradition. The dish - quick, theatrical, and perfectly suited to the small-plates restaurant trend - turned the shishito into one of the few Japanese vegetables to break into mainstream Western cooking. In Korea, the very similar kkwari-gochu plays a near-identical culinary role, blistered or stir-fried as a side dish. The Korean and Japanese varieties are close enough that they're often interchanged in recipes outside their home cultures.

It is the Japanese answer to the Padrón, and the resemblance is close enough to be suspicious: a small, thin-walled, mild green pepper eaten whole and blistered, in which roughly one in ten arrives hot. Whether the two are related or simply converged on the same idea is not settled, but Japanese and Galician cooks arrived at almost identical uses for almost identical fruit, half a world apart.

For a British grower it is one of the most rewarding things on this list. It is an annuum, so it germinates readily and ripens early; it is picked green and immature, so there is no waiting for colour at the end of the season; and it fruits prolifically over a long period, which suits a climate where the good weather arrives in instalments. Pick every few days — the pods toughen and heat up if left, exactly like a Padrón.

Culinary uses

Blistered whole in a very hot pan with a little oil, until the skins char in patches and the flesh collapses, then salted — three minutes, and eaten with fingers by the stalk. That is the standard preparation in Japan (with soy and bonito flakes) and in every American restaurant that has adopted them since. They also grill and tempura well. Thin walls and no real heat mean they are not a sauce or a drying chilli: this is a vegetable that happens to be a pepper, and it is best within a day or two of picking.

Growing it in the UK

Annuum is the forgiving group, and the right place to start. Seed germinates readily in warmth, the season is short enough to finish outdoors in a good summer, and February to early March is soon enough to sow. Germination is given as 7-14 days. At 60 days to maturity it is one of the quick ones: sown in March, it will be picking well before the light goes.

At 45–75 cm it wants a 7- to 10-litre pot and a sheltered spot: a greenhouse, a porch, or the sunniest wall you have. The record puts the yield at heavy, so start feeding weekly with something high in potassium as soon as the first fruit sets — a plant carrying that much will run out of steam otherwise.

Thin walls dry quickly, which makes a glut easy to deal with.

Read from this variety's own record — the figures are in the panel opposite.