Rebound (2011)

Though the two plots are fairly different, the Aibu Saki and Hayami Momokichi duo/couple take center stage in both dramas.

losing weight and becoming a better person all in the name of finding love and revenging an ex...

The story tells about weightloss of the female lead and how they rebound several times from thin to fat to thin again. It also shows many foods and the male lead is a chef. Everytime the female lead get fat, she hides until she can reach the ideal weight again before going to public.

Both about a chubby girls that transform themselves for love.

Similar in the cooking, taste testing of food and soul searching of main leads, if you are food lover rom com drama this is both for you