The first obvious answer is to eat less and exercise more. It would be beneficial to consume most of your carbs - such as wheat products and fruit (even sweets) before noon, and switch to proteins and veggies for the remainder of the day. You're much more likely to burn off the carbs. for energy earlier in the day. Always include a small amount of protein when eating carbs. in order to calm further carb. cravings. (even if it's just a small glass of milk) It will slow your digestion of the carbs. and keep them in your system longer so you won't want more.
Middle age can be difficult for women. Our mid section begins to grow and we can't get rid of it. I am a middle age woman and struggling to get the weight off. I started eating smaller portions, the elimination of bread and walking or riding my bike daily is helping.