Add the salmon, mayonnaise, sambal oelek, soy sauce, sesame seeds, orange zest and green onion to a medium mixing bowl and stir to combine.
Add the tempura flakes or panko and stir to combine.
Use a round cookie cutter or biscuit cutter and spoon the mixture inside for an even circle (optional). Top with the avocado and salmon roe (if using). Serve immediately.
Video
Notes
Try substituting the salmon for another fish like ahi-tuna or yellowtail.