Rinse the tilapia fillets with water and drain well.
Pat them using paper tissues and set them aside.
In a small bowl, whisk together sugar, soy sauce, sake, mirin, cornstarch, sesame oil, and water until combined. Set aside.
Heat cooking oil in a large flat pan over medium heat.
Once the oil is hot, arrange the tilapia fillets on the pan in a single layer and fry until lightly browned and crisp from both sides.
Note – Fry in batches if the pan is small.
Remove the pan-seared fillets on a plate and set aside.
Add minced garlic to the same pan and saute until lightly fragrant (about 30 seconds).
Pour in the sauce and cook until it thickens into a shiny glaze (about 1-2 minutes), stirring very frequently.
Pour the sauce over the tilapia fillets.
Garnish with chopped spring onion greens (scallions) slices and serve hot!
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Notes
I have used fresh boneless Tilapia fillets in this recipe but you can use frozen fillets too. Make sure to thaw them before using them. You can also make the recipe with tilapia steaks or tilapia loins instead.Make sure to source tilapia raised in a clean environment.Any firm white fish works great in this recipe. Some of my other favorites are snapper, grouper, cod, halibut, pollock, etc. The time of cooking may differ depending on the size of the fillet.