Salmon Club Sandwich

I had this sandwich when I visited Carmel. It was so good, I thought I should try to make it. But I couldn't find the right sauce and I need to learn how to cook salmon better. Mine never comes out juicy. sigh~

Lightly toasted Walnut bread
Salmon
English cucumber
Butter Lettuce
Hickory Honey Mustard Sauce
Apple wood smoked bacon