STEP 6/7
Mix evenly so that the seasoning is well soaked, and then add the tuna. If you rummage a lot with tuna in it, it will become messy with tuna crumbs, so mix it once or twice.
STEP 7/7
Add chopped green onion and finish. If you stir-fry it for a long time, the spinach will be mushy, so the tip is to fry it quickly based on the degree of spinach.