
Wash and cut fish fillets to desired pieces.
Combine Flour, cornstarch, baking powder and salt together in a large plate or bowl.
Dip fish pieces to fully cover in flour mixture.
Heat a large non-stick skillet on medium-high heat with oil until hot.
Fry a couple pieces of fish at a time about 4 minutes on each side or until brown. Remove to a paper towel lined platter.
Combine all ingredients except cornstarch in a small saucepan on medium-high heat and bring to a boil.
Dilute cornstarch in a small amount of water and add to sauce when boiling.
Stir for 1 to 2 minutes until slightly thickens.
Dip fish pieces in sauce when ready to serve.
* Fish pieces can be re-heated in a air fryer or toaster oven before dipping in sauce to serve.