"At home I have big vats of cabbage soup that I make to slim down"

In this quote, author Jilly Cooper is describing her personal regimen for preserving a healthy weight. She points out having "huge barrels" of cabbage soup in the house, suggesting that she makes a big quantity of this soup. This suggests that she takes her weight reduction seriously and is committed to her regimen. Making use of the word "lose weight" implies that she is attempting to drop weight, perhaps for health or visual factors. In general, this quote highlights the value of having a healthy and well balanced diet, along with the commitment and effort required to attain one's preferred weight.