Into a large soup pot over medium-high heat, add the olive oil. When the oil is hot, add the onion and celery. Cook for 3 minutes, stirring frequently until softened. Add the garlic and black pepper, then continue cooking for an additional 1 minute.
Add the vegetable broth, diced tomatoes, and tomato paste. Season with thyme, basil, oregano, and parsley.
Bring just to a boil then reduce the heat to low. Cover and simmer for 1 hour.
While the chili is simmering, cook the vegan ground beef according to package directions and set aside. Also, cook the pasta according to package directions and set it aside.
When the 1 hour simmer time is up, stir in the cooked vegan ground beef, cannellini beans, and ditalini pasta. Continue simmering for 10 minutes to heat through then serve.