Stir in minced garlic and chopped sun-dried tomatoes; cook for 1 minute.
Mix arrowroot starch with a splash of broth until smooth, then add to the pan along with rinsed white beans and remaining vegetable broth. Simmer on low for 5 minutes until slightly thickened.
Stir in vegan cream cheese until melted, add baby greens and lemon juice, and cook until greens wilt.
Season with salt and pepper; garnish with fresh basil before serving.