With a million and one recipes for slow-cooker soups floating around the blogosphere, our winter lunches have been hearty, slurpy leftovers. Yum. We can zap a frozen portion in the morning, pour it into our Thermo-Pot ($42), and have it warm and comforting by lunchtime. The stainless steel vacuum flood flask pairs with the airtight cork to seal in both soup and heat. Neither escape until we spoon up every last iota before getting back to work.