Basil has been used in traditional medicine for decades as a remedy for cold and sore throat. Research has shown that the compounds present in basil oil have potent antiviral, antioxidant, anticancer, and antimicrobial properties. When basil is combined with the high dietary fiber, minerals, and vitamins present in tomatoes, you get a delicious and nutritious result. Tomato basil soup recipes are very healthy and easy-to-follow.