If you are gaining more fat than you like then cut back by 5% of total daily calories. The cut back should be primarily from carbs that arent around your workout. This should be easy for you to do if you are measuring, weighing your meals and tracking your daily calories. If you arent doing cardio which you should be since it keeps your metabolism up and heart healthy, add 20mins 3 times a week to start. This should help you stay within a exceptable range of bf%