It is a simple solution. You need to burn more calories than you consume creating a caloric deficit. Stick to lean proteins and get your carbs from fruits and vegetables. There are plenty of great fitness apps w calorie counters included in them. It will indicate the amount of protein and carbs you have consumed as well as give you specific goals. The unfortunate truth is that if you want to shed lbs you have got to sweat. A lot of sweat!