Cut the avocado in half, remove the pit, peel it, and slice into bite-sized pieces.
Split the pollock roe lengthwise with a knife and scoop out the roe.
Place rice in a bowl.
Top the rice with avocado and pollock roe.
Drizzle soy sauce, sesame oil, and sprinkle roasted sesame seeds evenly.
Add shredded seaweed and chopped scallions if desired.