1: Preheat your oven to 400°F.
2: Cut nori sheets into four equal squares.
3: Toss cubed salmon with all the salmon ingredients in a bowl and marinate for up to 4 hours.
4: On each nori square, add about 1 heaping tablespoon of rice and spread slightly.
5: Transfer the square to your muffin slot, gently pushing down to center the rice.
6: Fill each muffin slot with 4-5 salmon cubes.
7: Bake in the oven for 15-17 minutes.
8: Broil for 1-2 minutes if needed to tan the salmon.
9: Allow to cool slightly, then top with avocado, sesame seeds, and drizzle with spicy mayo.