Creating your own Spicy Tomato Basil Soup is simple when you follow these steps:

1. Heat Olive Oil: In a large pot, heat the olive oil over medium heat.
2. Sauté Onions: Add the chopped onion and cook until translucent, about 5 minutes.
3. Add Garlic and Spices: Stir in the minced garlic and red pepper flakes; cook for an additional minute until fragrant.
4. Incorporate Tomatoes: Pour in the crushed tomatoes and vegetable broth. Stir well to combine.
5. Season the Soup: Add sugar, salt, and pepper to taste. Bring the mixture to a simmer.
6. Simmer: Allow the soup to simmer for about 15 minutes, stirring occasionally.
7. Add Basil: Stir in the chopped basil leaves, reserving a few for garnish.
8. Blend (Optional): For a smoother texture, use an immersion blender to blend the soup until desired consistency is reached.
9. Add Cream (Optional): If you prefer a creamy soup, stir in the heavy cream and heat for an additional 2 minutes.
10. Serve: Remove from heat and ladle the soup into bowls. Garnish with fresh basil leaves if desired.

By following these steps, you will create a bowl of Spicy Tomato Basil Soup that is both comforting and delicious!