1
Rinse the rice in cold water and drain three times. Place the rice and water in a saucepan, bring to a simmer, cover, and cook until the grains are tender, about 20 minutes.
2
In a small bowl, combine the rice wine vinegar, sugar and salt until the sugar and salt are dissolved. Season the cooked rice with the vinegar mixture.
3
Combine all of the bibimbap sauce in a large bowl, adding water as necessary to reach a pourable consistency.
4
In a bowl, toss together the carrots, radishes and edamame.
5
To serve, arrange the lettuce leaves, sushi rice, tuna, sauce, veggies and sesame seeds for make-your-own lettuce cups.