With help. Contact your doctor or health plan for a recommendation of social worker, nutritionist, psychologist that specialize in treating eating disorders. There are over eaters anonymous organizations too. Addiction is complicated especially when it is paired with a basic necessity of life.
It takes. Will poser. Weigh and measure all of your foods. Write out a menu in advance and stick to it. Put your food on smaller plates and drink water with your meals to help fill you up. Drink at least 64 ounces of water each day.