Chop the vegetables and set aside.
In your large stock pot, melt the butter on medium heat.
Add the chopped vegetables, cover and simmer for 5 mins.
Add the garlic and flour and stir for about one min, ensure the flour does not stick to the bottom of the pan.
Add the broth to the vegetable mixture and stir until everything is well incorporated.
Pour vegetable mixture into the blender and blend until smooth.
Return to the soup pot and turn heat to medium.
Add in the milk, basil, and parsley and bring to a simmer for 5-10 mins.
Serve hot and enjoy!