Preheat oven to 375°F
Dice you kielbasa
Pour Alfredo sauce into a 9x13 glass baking dish. Add a little water to the empty jar, shake it up, and pour that into the dish to get all the sauce!
Add kielbasa, tortellini, and diced tomatoes.
Pour in the chicken broth and gently stir everything together.
Cover and bake at 375°F for 20 minutes.
Check to see if the tortellini is soft. If not, cover and bake for another 10 minutes.
Once tortellini is soft, remove the cover and bake for another 10 minutes.
Top with mozzarella or Parmesan and serve!