* Slice the Cheddar Cheese into 4 slices of 2.5 ozs each. +++++++++++++++++++++++++++++++++++++++++++++++++++++++ ++++++++++++++ ++++ Mix the salmon with the onion, lemon juice, and mayonnaise. Spread the mixture on thick slices of French bread and top with a slice of cheddar cheese. Add a top slice of bread and butter both sides of the sandwich generously. Grill until brown, then turn and brown the other side, and the cheese is melted. Serve hot.