Tomato Bacon Bisque

Bahan-bahan (4 porsi)

• 6 strips of bacon, uncooked and cut into thirds
• 1 tablespoon butter
• ½ yellow onion, chopped
• 2 stalks celery, chopped, plus celery leaves to top
• ¼ cup flour
• 1 30 oz can diced tomatoes
• 1/4 cup chicken stock
• 2 teaspoons sugar
• 1 bay leaf
• 1 cup heavy cream
• Salt and pepper, to taste
• Sour cream
• Milk