Place pasta, tomatoes, onion, and garlic in a large pot. Pour in vegetable broth. Sprinkle on pepper flakes and oregano. Drizzle top with oil. 2. Cover pot and bring to a boil.

Heat olive oil in large stockpot or Dutch oven over medium-high heat. Add garlic, and cook, stirring frequently, until fragrant, about 1 minute. Stir in broth, milk, butter and uncooked fettuccine ...