Start by prepping your ingredients and materials. Dice the salmon and the cucumber into small pieces. Finely chop the green onion and separate the white and green sections. To make the marinated smoked salmon and cucumber topping, mix together the soy sauce, lime juice, sesame oil, and the chili flakes. Add in the diced smoked salmon, the cucumber, and the white parts of the green onion. Stir to combine and set aside. To make the spicy mayo, mix together the sriracha and the