Ingredients
2 (5-ounce) cans albacore tuna, drained
1/4 cup mayonnaise, or more to taste
2 to 3 teaspoons fresh lemon juice
2 teaspoons fresh chopped cilantro or dill
1 mini cucumber, cut into thin matchsticks
1 large carrot, peeled and cut into thin matchsticks
Pinch of Kosher salt
Pinch of granulated sugar
1 teaspoon unseasoned rice vinegar
1 avocado, peeled, pitted, and sliced thin
Steamed white sushi or short-grain rice
6 sheets toasted Nori, halved
Soy sauce, pickled ginger, and sambal oelek, for serving
Preparation
In a medium bowl, stir together tuna, mayonnaise, lemon juice, and cilantro until combined; season with salt and pepper. In another bowl, toss together cucumber and carrot matchsticks with salt, sugar, and vinegar; set aside.
To assemble hand rolls, pat rice into the middle of nori sheets; top with tuna, vegetables, and avocado; roll firmly to seal. Serve with soy sauce, pickled ginger, and sambal oelek.