Tarragon-Celery Soup

Ingredients (13)

• + 2 tablespoons salted butter add to pantry
• + 1 bunch celery, thinly sliced add to pantry
• + 1 medium yellow onion, diced add to pantry
• + 3 cloves garlic, minced add to pantry
• + 1 teaspoon salt add to pantry
• + 1 teaspoon ground white pepper add to pantry
• + ½ teaspoon dried tarragon add to pantry
• + ¼ teaspoon cayenne pepper, or to taste add to pantry
• + 2 cups milk add to pantry
• + 2 cups chicken broth add to pantry
• + ⅓ cup all-purpose flour add to pantry
• ✓ 1 tablespoon cornstarch
• + ¼ cup dry sherry add to pantry