Rice Ball

Ingredients

• 1 sheet nori, cut into strips
• 1 rice cup sushi rice
• 1 rice cup water
• 1/4 tsp salt, or to taste
• 1/2 avocado
• 2 tbsp black sesame seeds
• 1/2 yellow/brown onion
• 1/4 cup dried mushrooms, soaked
• 1/4 tsp coarsely ground black pepper
• 1 tbsp vegan oyster sauce