Don't really know, but I found this recipe-
SMOKED SALMON & CUCUMBER TRAMEZZINI
Recipe By :
Serving Size : 4 Preparation Time :0:00
Categories : Sandwiches Seafood
Italian
Amount Measure Ingredient -- Preparation Method
-------- ------------ --------------------------------
1 tb Lemon juice
2 1/2 tb Olive oil
Pinch salt
Freshly ground black pepper
To taste
8 Thin slices good quality
Italian bread
6 oz Thinly sliced smoked salmon
Or lox
1/2 Cucumber, peeled and thinly
Sliced
1 c Watercress or basil leaves,
Or mixed baby lettuces
1. Whisk together the lemon juice, olive oil, salt and
several grindings black pepper.
2. Lay out 4 slices of the bread and brush lightly
with some of the dressing. Top with the smoked
salmon, cucumber and greens. Drizzle with the
remaining dressing and cover with the remaining slices
bread. Press down lightly and cut into halves.