The 10 Unhealthiest Frozen Dinners Slideshow

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10.) Marie Callender's Cheesy Chicken & Bacon Pot Pie

We're putting this last on our list, but maybe it should be first. While the label says that a serving ("1 cup") is 520 calories (with 31 grams of fat and 740 milligrams of sodium), not many people are going to split a pot pie. But you just might want to, because if you eat the whole thing it's — yes — 1040 calories. And that's the kind of comfort food that leaves us uncomfortable.