1 large cucumber, peeled
8 ounces cream cheese, softened
2 tablespoons grated onion
1/4 teaspoon salt
1 tablespoon mayonnaise
1/8 cup sour cream
Dash green food coloring, optional
2 tablespoons chopped fresh dill
Accompaniments: trimmed baby carrots and sugar snap peas, blanched, raw, trimmed baby radishes