sentence: chop some tomatoes to halves and put on a baking pan sentence: chop some white onions to chunks and add to the tomato sentence: smash 3 cloves of garlic and mix with the onions sentence: spread some olive oil salt and pepper to the baking pan sentence: roast the ingredients for 40 minutes sentence: put the roasted ingredients in a soup pot sentence: add 4 cups of chicken broth to the pot sentence: heat the soup to a boil sentence: simmer for 25 minutes and use a blender to blend everything in the soup sentence: add more salt and pepper to the soup and stir sentence: take out the soup and garnish with basil leaves and olive oil to serve