Quick & Easy Tuna
Cucumber Sushi Rolls

By DishFrames
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Skip the bamboo mat with these beginner-friendly tuna and cucumber sushi rolls. A refreshing, crunchy, and creamy bite folded neatly into seaweed quarters.

↓ The ingredients ↓ The steps

Sushi doesnt have to require specialized tools or years of practice. This clever, approachable method reimagines the classic roll by using quartered nori sheets to create neat little triangular hand rolls. The combination of creamy tuna salad, sweet corn, and crisp salted cucumber offers a perfect balance of textures, making it an ideal light lunch or afternoon snack.

Neatly folded triangular sushi rolls filled with creamy tuna, sweet corn, and crisp cucumber, garnished with toasted sesame seeds.
Neatly folded triangular sushi rolls filled with creamy tuna, sweet corn, and crisp cucumber, garnished with toasted sesame seeds.
Prep15 mins
Cook20 mins
Total35 mins
Yield2 servings
DifficultyEasy
Calories350 kcal

Ingredients

Instructions

  1. 1Shred the cucumber
    A fresh cucumber being grated into fine pieces using a handheld shredder placed atop a glass bowl.

    Place a grater over a clear glass bowl and gently rub the cucumber across the blades to create fine shreds.

    Tip: Keep a firm hold on the cucumber as it gets shorter to protect your fingers.
  2. 2Salt the shredded cucumber
    Salt being sprinkled and mixed into a bowl of green shredded cucumber.

    Add salt to the freshly shredded cucumber in a glass bowl and mix well. Letting the cucumber sit with salt draws out excess moisture, ensuring a crisp texture for the rolls.

    Tip: Make sure to mix the salt thoroughly through the shreds so it draws out water evenly.
  3. 3Drain the canned tuna
    Canned tuna pieces resting in a wire mesh strainer over a bowl, draining liquid.

    Pour the canned tuna into a strainer to completely filter out excess oil and juice. Draining the liquid prevents the tuna mixture from becoming overly soggy.

    Tip: Press down gently with a spoon on the tuna in the strainer to get rid of any hidden liquid.
  4. 4Season the tuna and corn
    Black pepper flakes falling from a manual grinder onto a mixture of tuna and yellow corn kernels.

    Grind fresh black pepper directly into the white bowl containing the drained tuna and instant corn kernels. This adds a subtle warmth and aroma to the filling.

    Tip: Freshly cracked black pepper yields the best flavor profile compared to pre-ground powder.
  5. 5Mix the tuna salad filling
    Salad dressing being mixed into the bowl of tuna and corn with a spoon.

    Pour salad dressing into the bowl with the tuna and corn, then combine thoroughly using a spoon. The dressing binds the ingredients together into a creamy salad texture.

    Tip: Add the dressing gradually so you can control the creaminess according to your preference.
  6. 6Season the rice with sesame oil
    Sesame oil being streamed into a large bowl filled with white cooked rice.

    Pour fragrant sesame oil directly over a bowl of freshly cooked white rice. This infuses the rice with a rich, nutty aroma characteristic of Asian-style rolls.

    Tip: Use warm rice so it absorbs the sesame oil more effectively.
  7. 7Add white sesame seeds to the rice
    White sesame seeds being sprinkled onto the bowl of rice containing sesame oil.

    Sprinkle white sesame seeds evenly over the seasoned rice. Mix everything together to distribute the seeds and oil throughout the rice base.

    Tip: Toasted white sesame seeds give an extra layer of nutty crunch.
  8. 8Squeeze the cucumber
    Gloved hands firmly squeezing water out of a handful of shredded green cucumber over a glass bowl.

    Using gloved hands, firmly squeeze the salted shredded cucumber to remove all excess moisture. This prevents the sushi rolls from becoming soggy.

    Tip: Squeeze in small batches to get rid of as much liquid as possible.
  9. 9Cut the nori sheets
    A full sheet of green sushi nori resting on a wooden cutting board with a blue checkered cloth underneath.

    Take a sheet of sushi nori and cut it into quarters to prepare the individual wrappers for the mini rice rolls.

    Tip: Use sharp kitchen shears for clean cuts without tearing the seaweed.
  10. 10Add seasoned rice
    A metal spoon placing a portion of cooked white rice onto a small square piece of nori.

    Place a quarter-sheet of sushi nori with the matte side facing up, then use a spoon to spread a thin layer of cooked rice onto it.

    Tip: Keep the left and right corners slightly wet with rice grains to help seal the roll easily later.
  11. 11Add cucumber filling
    Chopsticks placing a clump of shredded green cucumber onto the rice layer of a nori quarter-sheet.

    Using chopsticks, take a portion of the prepared shredded cucumber and place it on top of the rice layer on the nori sheet.

    Tip: Arrange the filling neatly near the center to ensure a balanced shape when folded.
  12. 12Fold into a triangle
    A fork placing a scoop of mixed tuna and corn salad over the cucumber and rice on a nori sheet.

    Spoon a portion of the mixed tuna and corn salad on top of the cucumber layer, then fold the nori and filling over, pinching it tightly to form a neat triangular shape.

    Tip: Do not overfill the roll to make it easier to pinch and shape securely.
  13. 13Garnish and plate
    A hand placing or adjusting finished tuna seaweed rice rolls on a white serving plate.

    Plate the completed sushi rolls and gently brush a thin layer of sesame oil onto the surface of the seaweed, then finish with a sprinkle of white sesame seeds.

    Tip: Brushing sesame oil adds a glossy finish and a rich aroma to the seaweed.

Storage Tips

Refrigerator
1 day
Store leftover filling and rice in separate airtight containers. Do not pre-assemble the rolls, as the seaweed will become soggy in the fridge. Assemble just before eating.

Burn It Off

Brisk Walking
~70 minutes of steady walking (~5 km/h).
Walking Yoga
~1 hour 35 minutes of mindful walking yoga.
Badminton
~45 minutes of energetic rally play.

Frequently Asked Questions

This simplified recipe uses toasted sesame oil and white sesame seeds instead of traditional sushi vinegar, giving it a slightly nutty, Korean kimbap-inspired flavor profile. However, you can substitute sushi vinegar if you prefer.
Overfilling the roll or leaving too much moisture in the cucumber or tuna can cause the nori to tear. Ensure the fillings are well-drained and keep the portions modest.
Yes! Pouch tuna is naturally drier, which actually makes it an excellent choice for this recipe as it requires less draining before mixing.
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