Cook pasta according to directions. Just before draining, remove 1 cup of the cooking water and mix with sour cream. Set aside. Drain pasta.
In pan you cooked pasta, heat oil. Saute carrots, onion and garlic over medium heat until softened.
Add tomato sauce, tuna, and Italian seasoning and cook for 5 minutes to let flavors marry. Stir in sour cream mixture and pasta.
Pour into 9x13 casserole dish and cover with foil. Bake at 400 degrees F for 15 minutes. Remove foil and top with cheeses. Bake 5 minutes more to melt the cheese.
Calories From Fat
% Daily Value*
Total Fat 0g
Saturated Fat 0g
Trans Fat 0g
Dietary Fibers 0g
* Percent Daily Values are based on a 2,000 calorie diet.
* Nutrition information is estimated based on the ingredients and cooking instructions as described in each recipe and is intended to be used for informational purposes only. Please note that nutrition details may vary based on methods of preparation, origin and freshness of ingredients used.