Heat olive oil in a large pot over medium heat.
Add the diced onions and cook until translucent, about 5 minutes.
Stir in minced garlic and thyme, cooking for another minute until fragrant.
Pour in the vegetable broth and bring to a gentle boil.
Incorporate the cooked white beans and season with salt and pepper.
Reduce the heat to a simmer and let it cook for about 15 minutes to meld flavors.
Stir in the chopped kale and heavy cream, cooking until the kale is tender, about 5 minutes.
Taste and adjust seasoning as needed before serving.