1 cup sushi rice

3 tablespoons rice vinegar

Nonstick spray

FILLING

1 teaspoon sesame oil

2 tablespoons soy sauce

1 tablespoon rice vinegar

½ teaspoon sriracha, or more to taste

1 garlic clove, minced

2 teaspoons grated fresh ginger

1⅓ cups diced European cucumber

1 cup peeled and diced carrot

1 avocado—halved, pitted and diced

3 green onions, thinly sliced

2 tablespoons chopped fresh cilantro

2 tablespoons sesame seeds