Look for Classico labeling some of their pasta sauces as gluten free. Especially some of the sauces like their Alfredo, which other brands would thicken with gluten.
We recently tried the Classico Roasted Red Pepper Alfredo sauce. Mixed it in with a can of crab meat and gluten free penne. It was really tasty and was also a hit with the kids. We will probably stick to our regular tomato sauces, but continue to buy these Classico Alfredo sauces.
Note: We added the pesto sauce to this, which is not labelled gluten free, but also did not contain any gluten ingredients, and no may contain warnings.
Because of this, be sure to read every label every time!