National cream thins A part of Food and Eats. post a photo of your food posted by owen on 2016-Dec-4. Sour Cream and Onion flavored crackers. It is like regular cream thins but with a hit of sour cream. They are good if you already like cream crackers. I give it a 7 out of 10. permanent link, visited 295 times, comment on this food. .