Tomato Dill Soup from Soup: A Way of Life by Barbara Kafka

Ingredients

• ⅛ teaspoon hot red pepper sauce
• ⅛ teaspoon celery seeds
• 1 small clove garlic, smashed, peeled, and very finely chopped
• 1 tablespoon gelatin or 2 teaspoons finely ground agar-agar
• 2 cups (500 ml) Tomato Purée, canned tomato purée, or sterile-pack strained tomatoes
• 1 cup (250 ml) Basic Chicken Stock or Vegetable Broth
• 1½ teaspoons coarsely chopped dill
• 1½ teaspoons kosher salt
• 2 tablespoons sour cream
• 2 tablespoons tomato paste
• Celery leaves, chopped, optional