If you are looking to deep fry fish, this recipe uses easy ingredients and is a tasty crunchy snack.
In a small bowl, mix together the flour and dry mustard.
Heat the oil to 400 degrees F.
In a medium mixing bowl, mix together the flour mixture, along with the water, egg, sugar and salt.
Dip each fillet into the batter and then immediately drop into the hot oil.
Cook each fillet for approximately 5 minutes or until golden brown.
Serve with your favorite tartar sauce.