Shrimp and cucumber sandwiches

Ingredients

• • 1/2 lb (225 g) cooked shrimp, peeled and finely chopped
  • 2 tablespoons (30 ml) mayonnaise
  • 1 tablespoon (15 ml) chopped cilantro
  • 1 tablespoon (15 ml) finely chopped fresh chives
  • 2 teaspoons (10 ml) finely chopped fresh mint
  • 1 teaspoon (5 ml) lemon juice
  • 8 large slices sandwich bread
  • Butter, softened
  • 14 cucumber slices
  • Salt and pepper