Step 1

Place rice and 2 cups water in a saucepan over medium-high heat. Bring to the boil. Reduce heat to low. Cover. Simmer for 10 minutes or until liquid is absorbed. Remove from heat. Set aside for 10 minutes. Stir rice with a fork. Add onion and 1 tablespoon mirin. Stir until combined.

Step 2

Place sesame seeds on a plate. Place vinegar, soy, sugar, sesame oil, garlic and remaining mirin in jug. Stir until sugar dissolves. Transfer half the mixture to a shallow dish. Add salmon. Turn to coat. Press salmon in sesame seeds to coat.

Step 3

Heat oil in a frying pan over medium heat. Add salmon. Cook for 2 minutes on all sides for medium-rare or until cooked to your liking. Transfer to a board. Cover. Stand for 2 minutes. Slice.

Step 4

Divide rice among bowls. Top with sprouts, cucumber, avocado, radish and salmon. Drizzle with reserved soy mixture. Top with nori. Serve with mayonnaise and lemon.