Chilled Cucumber Soup

1 large English (seedless) cucumber - peeled, seeded, and cubed

2 green onions (white parts only), sliced

3 tablespoons lemon juice

1 tablespoon chopped fresh dill

4 cups plain yogurt

1 cup chicken stock

salt and ground black pepper to taste

Place cucumber, green onions, lemon juice, dill, yogurt, chicken stock, salt, and black pepper in a blender. Puree until smooth; chill at least 1 hour before serving.