Cucumber and Watercress Sandwich Appetizers

By sal

3.0 / 5

15min

0min

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8 cups cucumber peeled and finely chopped
1 teaspoon salt
¼ teaspoon ground black pepper
¼ cup chopped fresh chives
⅔ cup butter softened
20 slices whole wheat bread crusts removed
⅓ cup mayonnaise
2 cups watercress trimmed and coarsely chopped