No marinade at all on the skate. For tacos, I just cut it up in pieces, and dredged it in a flour mixture.
1 cup of flour
garlic powder and season salt to taste. don't scimp in the garlic powder.
salsa:
chop up tomatoes, cilantro and onions.
fill a tortilla shell with fried fish, then top with shredded cheddar or your favorite cheese, salsa, shredded lettuce and slam it with hot sauce.
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Brian