Gather all ingredients.

Heat olive oil in a large pot over medium-high heat. Cook and stir onion and garlic in hot oil until soft.

Add kale; cook and stir until wilted.

Add 3 cups broth, 2 cups beans, tomatoes, herb seasoning, salt, and pepper; bring to a boil, then reduce heat and simmer for 5 minutes.

Mix remaining beans and broth in a blender or food processor until smooth.

Stir into soup to thicken, then simmer for 15 minutes. Ladle into bowls; sprinkle with parsley to serve.