Add vegetable stock and tomato juice to pot.
Mix together Perma Flo starch, 7400 Komiā¢ Powder and salt.
Whisk or use immersion blender to mix dry ingredients into vegetable stock / tomato juice mixture. Add crushed tomatoes and begin heating on medium-high heat.
When mixture begins to boil, reduce heat to low and simmer for 5 minutes.
Add basil paste and puree soup with immersion blender to desired consistency.
Add cream butter and black pepper and stir over low heat until butter is melted.