In a large pot over medium heat, add oil and cook sausage, breaking up with a wooden spoon, until browned and no longer pink, 5 to 7 minutes.
Add onion to pot and let cook until soft, 2-3 minutes, then add garlic and cook until fragrant, 1 minute more. Season with salt, pepper and oregano.
Add vegetable stock and potatoes and cook over medium heat, until potatoes are tender, 23 to 25 minutes.
Stir in kale and let cook until leaves are tender and bright green, 1-2 minutes, then stir in heavy cream and simmer 2 minutes more.
Season with pepper, top with bacon bits, and serve.
