01 - 
                In a small mixing bowl, combine rice vinegar with sugar and salt, then stir until dissolved. Pour the rice vinegar over cooked sushi rice and mix until well combined.
              
              
              
                02 - 
                Transfer the rice to a baking pan lined with plastic wrap. Gently press the rice to even it out. Cover and let it chill in the fridge for at least 4 hours or overnight.
              
              
              
                03 - 
                Chop the sushi-grade salmon into small pieces. Transfer to a bowl and combine with Kewpie mayonnaise, sriracha, soy sauce, scallion, and sesame oil. Mix well and set aside in the fridge until ready to use.
              
              
              
                04 - 
                Once the rice has chilled, cut it into 16 rectangles. Heat vegetable oil in a pan over medium heat. Fry the rice on both sides until golden. Remove from heat and let cool on a paper towel.
              
              
              
                05 - 
                Top each crispy rice piece with sliced avocado, a tablespoon of spicy salmon mixture, and a slice of jalapeno. Sprinkle with toasted black and white sesame seeds. Serve immediately.