Too many vegetarian sushi rolls are an afterthought: a finger of cucumber, a sliver of avocado, and a lot of plain rice. That is a shame, because Japanese cooking has a deep tradition of vegetable and tofu preparations that are every bit as interesting as fish. A well-made vegetarian roll should give you the same pleasure as a salmon and avocado maki: contrast in texture, a savoury depth, a little acidity, and a clean finish.
The trick is to think in layers. Every roll wants something creamy, something crunchy, and something salty or savoury. Get those three working together and you will never miss the fish. Below are the fillings that do this best, and how to prepare each one so it behaves inside the roll.
Wet fillings are the enemy of nori. If your cucumber is weeping or your tofu is sitting in marinade, the roll will turn soggy and the seaweed will lose its bite. Whatever you use, pat it dry before it goes anywhere near the mat.
Cut everything into batons about 1cm square and roughly the length of your nori sheet. Uniform pieces roll evenly, which means fewer blowouts and a tidier slice.
Choose a Hass avocado that is ripe but still firm; if it dents when you press it, it will collapse under the knife. Halve it, remove the stone, and peel away the skin. For fillings, slice into neat 1cm batons. For topping an inside-out roll, use thinner slices pressed flat across the rice.
Avocado browns quickly, so brush the cut surfaces with a little lime or lemon juice. If you want a creamy layer rather than chunks, mash the flesh with a few drops of lime juice and a smear of wasabi, then spread it thinly over the rice before adding the crunchy elements. Do not over-handle it; a light touch keeps the texture clean rather than pasty.
Cucumber is the backbone of most vegetarian rolls, but it needs a little discipline. Peel it in alternating strips for a striped look, halve it lengthways, then scoop out the watery seeds with a teaspoon. Cut into batons, toss with a pinch of salt, leave for ten minutes, then pat thoroughly dry. That short salting firms the flesh and stops it leaking into your rice.
Pickled radish, often sold as takuan or yellow pickled daikon, is the ingredient that lifts an ordinary roll into something memorable. It brings a sweet-sour snap and a bright colour that photographs well. Look for it in Asian grocers, or make a quick version at home: slice mooli into thin batons, cover with rice vinegar, a spoonful of sugar, and a pinch of salt, then leave for at least thirty minutes. It keeps for a fortnight in the fridge.
Pickled carrot and quick-pickled red cabbage work on the same principle and add a lovely purple or orange stripe through the centre of a roll.
Plain tofu is bland, and that is exactly why it needs a marinade. Use firm or extra-firm tofu, wrap it in kitchen paper, and press it under a weighted plate for twenty to thirty minutes. This removes the excess water so the marinade can actually penetrate.
Slice the pressed block into slabs about 1cm thick and marinate for half an hour in a mix of soy sauce, mirin, a splash of rice vinegar, a little sesame oil, and grated ginger or garlic. Pan-fry the slabs in a lightly oiled pan over medium heat until golden on both sides, then cool completely before cutting into strips. Warm tofu will steam the nori and ruin the roll.
If you want something richer, try smoked tofu, seasoned inari pouches, or thin sheets of yuba. A crumble of firm tofu fried with white miso and a little sugar makes an excellent textured filling too, roughly the consistency of scrambled egg.
Your sushi rice should be seasoned a touch more assertively than you think. Rice vinegar, sugar, and salt in roughly a 4:2:1 ratio, folded through warm rice and cooled to room temperature. A slightly sharper rice cuts through the creaminess of avocado and the oiliness of fried tofu.
Think about colour as you build. A roll with avocado, cucumber, and pickled radish gives you green, pale green, and bright yellow, which looks far more appetising than three shades of beige. Sprinkle toasted sesame seeds, sliced spring onion, or shredded shiso inside for aroma.
Practise one combination until it feels natural, then start swapping elements. Avocado and pickled radish one week, teriyaki shiitake and cucumber the next. Once you understand the creamy-crunchy-savoury formula, you can build vegetarian sushi from whatever looks good at the market, and it will taste every bit as considered as anything behind a sushi counter.
The Sushi Course shares practical, down-to-earth guidance on sushi making courses and japanese culinary tuition for readers across the UK.
Leave A Comment