“Sushi X menu” can refer to a restaurant menu, but this recipe gives you a practical sushi-style option to make at home: salmon and avocado rolls with seasoned rice, nori, and crisp cucumber. The method is approachable and customizable; for safety, it uses fully cooked salmon rather than raw fish.

Ingredients

1½ cups (300 g) Japanese short-grain rice
1¾ cups (415 ml) water, for cooking the rice
3 tablespoons (45 ml) unseasoned rice vinegar
1½ tablespoons (18 g) granulated sugar
¾ teaspoon fine salt
12 ounces (340 g) skinless salmon fillet, cut into four even pieces
1 teaspoon (5 ml) neutral oil, such as canola oil
4 full-size nori sheets
1 medium ripe avocado, peeled and cut into thin strips
1 small cucumber, about 6 ounces (170 g), seeded if watery and cut into thin strips
2 tablespoons (30 ml) soy sauce, for serving
1 teaspoon (5 g) wasabi paste, optional
2 tablespoons (16 g) pickled ginger, optional
1 tablespoon (15 ml) water, for sealing the nori edge

Instructions

Rinse the rice. Put the rice in a bowl, cover with cool water, and swirl gently. Drain and repeat three or four times, until the water is less cloudy. Drain well for 5 minutes. This removes excess surface starch and helps the grains cook evenly.
Cook the rice. Combine the rinsed rice and 1¾ cups (415 ml) water in a saucepan with a tight-fitting lid. Bring to a boil over medium-high heat, then cover, reduce the heat to low, and cook for 15 minutes. Turn off the heat and leave the pan covered for 10 minutes; do not lift the lid during cooking or resting.
Season the rice. While the rice cooks, stir together the vinegar, sugar, and salt until dissolved. Transfer the hot rice to a wide, nonmetallic bowl. Drizzle the vinegar mixture over it and fold gently with a rice paddle or spatula, using cutting motions rather than mashing. Let it cool until just warm, about 10 minutes, loosely covered with a clean towel.
Cook the salmon. Pat the salmon dry and brush lightly with oil. Heat a nonstick skillet over medium heat. Cook the pieces for about 3–5 minutes per side, depending on thickness, until opaque and flaky. Check the thickest part with a food thermometer: USDA FSIS gives 145°F (63°C) as the safe minimum internal temperature for fish. Rest for 5 minutes, then flake into bite-size pieces, removing any pin bones.
Prepare your rolling station. Set out a bamboo sushi mat, a small bowl of water, the rice, salmon, avocado, and cucumber. Cover the mat with plastic wrap if you like easier cleanup. Keep your hands lightly damp so the rice is less likely to stick.
Fill each roll. Place a nori sheet shiny-side down on the mat, with a short edge closest to you. Spread about one-quarter of the rice over the nori in a thin, even layer, leaving a 1-inch (2.5 cm) strip bare at the far edge. Lay a line of salmon, avocado, and cucumber across the rice, slightly below the center. Avoid overfilling, which makes rolling difficult.
Roll and seal. Lift the mat’s near edge and fold the nori over the filling, tucking the filling in with your fingers. Continue rolling away from you, applying gentle, even pressure to form a compact cylinder. Moisten the bare nori edge with water and press to seal. Repeat with the remaining ingredients.
Slice and serve. Use a sharp knife dampened with water to cut each roll into 6–8 pieces. Wipe and re-wet the blade between cuts for neat slices. Arrange the rolls with soy sauce, and offer wasabi and pickled ginger on the side.

Tips

Use the right rice. Japanese short-grain rice is sticky enough to hold a roll together. Long-grain rice does not have the same texture; if short-grain rice is unavailable, sushi rice is the best choice.
Keep the filling modest. A narrow line of filling rolls more cleanly than a large pile. If the roll splits, remove a little filling and tighten the roll gently rather than pressing so hard that the rice turns dense.
Choose cooked seafood for this version. This recipe is not intended for raw salmon. If adapting it with raw fish, use fish sold for raw consumption and frozen according to FDA guidance at -4°F (-20°C) for 7 days. Freezing reduces parasite risk but does not remove every hazard; pregnant people, young children, older adults, and people with weakened immune systems should choose cooked fish.
Adjust the seasoning carefully. Rice vinegar labeled seasoned already contains sugar and salt. If using it, omit the added sugar and salt first, taste the finished rice, and adjust only if needed.

Serving Suggestions

Serve the rolls as soon as they are cut, with soy sauce for dipping and small portions of wasabi and pickled ginger. For a fuller meal, add miso soup, edamame, or a simple cabbage salad. A little toasted sesame seed or sliced scallion can be sprinkled over the rice before rolling, but keep garnishes light so the rolls remain easy to handle.

For a casual spread, cut the rolls into bite-size pieces and arrange them with cucumber sticks and avocado slices. Put out small plates and chopsticks, but forks are perfectly fine. If serving a group, make several rolls before slicing so the platter can be assembled quickly and the rice does not dry out while waiting.

Variations

Swap the salmon for 12 ounces (340 g) of cooked shrimp, imitation crab, or cooked white fish. For a vegetarian roll, use baked tofu or strips of omelet cooked until set; egg dishes should reach the USDA FSIS safe minimum of 160°F (71°C). Thin strips of carrot or bell pepper add crunch. These are flexible home-style rolls rather than a claim to a single definitive sushi tradition; fillings and rolling styles vary.

To make an inside-out roll, cover the bamboo mat with plastic wrap, spread rice over the nori, and turn the sheet rice-side down before adding the filling. Sprinkle the outside with sesame seeds if desired. For a quick sushi bowl, skip the nori and rolling: serve the seasoned rice in bowls topped with salmon, avocado, cucumber, and the same condiments.

Storage and Reheating

Sushi rolls are best eaten soon after assembly. Refrigerate leftovers within 2 hours of cooking, in a covered container, and use them within 24 hours for the best rice texture; keep the refrigerator at 40°F (4°C) or below. The general limit for cooked leftovers is 3–4 days, but the rice becomes firm and dry well before then, so do not rely on that maximum for good-quality sushi. Discard rolls left at room temperature for more than 2 hours, or more than 1 hour when the temperature is above 90°F (32°C).

Do not microwave assembled rolls: the rice can become tough while the vegetables soften. If reheating leftover salmon separately, heat it until it reaches 165°F (74°C), the safe temperature for reheated leftovers, then serve it over freshly prepared rice and vegetables. Do not reheat and cool the same portion repeatedly.

Frequently Asked Questions

Is sushi X a specific kind of sushi?
“Sushi X” is not a standard name for one established sushi style. It may be a restaurant or menu label. This recipe is a straightforward salmon-avocado maki roll, which you can adapt to suit your preferred fillings.

Can I use regular rice instead of sushi rice?
Short-grain Japanese rice is recommended because its texture is cohesive after cooking. Medium-grain rice can work in a pinch, though the rolls may be looser. Long-grain rice is less sticky and is more likely to fall apart.

Can I prepare the rice ahead?
Rice is easiest to spread while it is fresh and slightly warm. You can cook it shortly before serving and keep it covered with a clean towel while you prepare the filling. Avoid leaving cooked rice at room temperature for extended periods; refrigerate promptly if plans change.

How do I stop the rice sticking to my hands?
Keep a small bowl of water beside your work surface and dampen your fingertips lightly before handling rice. Wet hands should not drip, since excess water can make the nori soggy and the rice difficult to spread.

Can I make these rolls without a bamboo mat?
Yes. Set the nori on a sheet of parchment or a clean kitchen towel and use it to guide the roll. Apply gentle, even pressure as you roll. A mat makes shaping easier but is not essential.

Can I use raw salmon instead?
This recipe uses cooked salmon for a safer home preparation. Raw fish requires fish intended for raw consumption and freezing according to FDA parasite-control guidance; lime juice or vinegar does not make raw fish safe in the way cooking does. Serve raw-fish preparations the day they are made, and choose cooked fish for higher-risk guests.

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Safety notes: safe minimum internal temperatures from USDA FSIS; raw and undercooked fish guidance from the U.S. FDA. Food safety notes

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Sushi X Menu: Make a Salmon Avocado Roll at Home