Salmon, apple and cucumber salad

• 1 cucumber, sliced into strips with vegetable peeler
• 1 apple, quartered and cut very thin-sliced
• 3-4 slices of cold smoked salmon, shredded
• large handful of lettuce (romaine) or spinach or canigos

Marinade

• juice from 1/2 lemon
• 3-4 tablespoons creme fraiche (optional)
• 2-3 tablespoons philadelphia
• salt and black pepper