Melt butter in a large saucepan or pot over medium heat.
Add onion, garlic, and carrots; cook for 5 minutes or until vegetables are tender.
Add the Italian seasoning, salt, and pepper; stir to combine.
Sprinkle flour over the vegetables and cook for 1 minute, stirring constantly.
Gradually whisk in the vegetable broth, making sure there are no lumps.
Increase heat to medium-high and bring the mixture to a boil.
Stir in the tortellini and cook according to package instructions.
Add the spinach and cook for an additional 2-3 minutes or until wilted.
Reduce heat to low and stir in the cream.
Simmer for 5 minutes, stirring occasionally.
Serve hot and enjoy!
