Barbecue Blue Fish Or Striper
["1 lb. fresh fillets", "1 medium onion", "salt and pepper", "1/2 c. mayonnaise"]
["Place fillets on foil.", "Put mayonnaise over fillets.", "Slice onion and put on top.", "Sprinkle with salt and pepper.", "Fold foil like a tent.", "Place on grill and cook for 20 minutes."]
["fresh fillets", "onion", "salt", "mayonnaise"]