Add oil and onion to a large sauce pan and heat on medium heat for about 5 minutes, stirring.
Add in garlic and cook for another 2 minutes, stirring.
Add in tomato paste, tomatoes, roasted peppers and vegetable broth. Stir.
Add spices and cook for 5 minutes.
Now transfer contents to a blender and blend until smooth, about 1 minute.
Return contents to pan. Add milk and stir.
Turn heat on medium low and let simmer for about 5 minutes.
Add in your pasta