Emotional eating is one of those things that you don't notice you're doing till you've done it. At least for me. Which logically, would make it an ideal issue to tackle via the Psych industry's current Golden Child Cognitive behavioral therapy (CBT)*.
In The Emotional Eating Workbook, that logic becomes applied.
Personally I've not had good results with CBT for Major Depression, but friends and millions of others all over the planet have. Therapy is a one-size-fits-all solution much the way it is in clothing... meaning there are plenty that it really wont fit, but lots it will.
If you've not experienced this kind of program, i heartily recommend you try it. If you have, this will feel familiar. At the very least reading through these pages might give you that "Ah-ha moment when you realize something new about your mind. If not, well, theirs always other things to try.
Just don't try the triple hot fudge sundae. It never works.
*Cognitive behavioral therapy (CBT) is a form of psychotherapy. It was originally designed to treat depression, but is now used for a number of mental disorders. It works to solve current problems and change unhelpful thinking and behavior.