Follow these simple steps to create your delicious Cucumber Sushi Roll Bowl:

1. Prepare Sushi Rice: Rinse the sushi rice under cold water until the water runs clear. Combine the rinsed rice and water in a saucepan. Bring to a boil, then reduce heat to low. Cover and simmer for about 10-12 minutes until the water is absorbed.

2. Season Rice: In a small bowl, mix the rice vinegar, sugar, and salt until dissolved. Once the rice is done, remove it from heat and let it cool slightly. Stir in the vinegar mixture, mixing well to combine.

3. Slice Vegetables: While the rice is cooling, prepare the vegetables. Thinly slice the cucumber and avocado. Julienne the carrot to create thin strips.

4. Assemble the Bowl: In a serving bowl, start with a base of sushi rice. Arrange the cucumber slices, carrot strips, avocado, edamame, and shrimp or crab meat (if using) on top of the rice.

5. Garnish: Sprinkle sesame seeds and chopped green onions over the top for added flavor and texture.

6. Drizzle Soy Sauce: Finish by drizzling soy sauce over the bowl. Add wasabi and pickled ginger on the side if desired.

7. Serve Immediately: Enjoy your Cucumber Sushi Roll Bowl fresh, while the rice is slightly warm and the vegetables are crisp.