Baked Halibut Or Salmon
["6 fillets of halibut or salmon", "2 c. mayonnaise", "4 Tbsp. lemon juice", "1 c. shredded Cheddar cheese", "1/2 c. chopped onions"]
["Mix the mayonnaise, lemon juice, shredded cheese and onions. Spread over fish and bake at 300\u00b0 to 350\u00b0 for 40 minutes until golden brown.", "Serve."]
["salmon", "mayonnaise", "lemon juice", "Cheddar cheese", "onions"]