Calorie changes can help as well.
Day 1: 2000 cal
Day 2: 1800 calories
Day 3: 1600 calories
*caloric intake is based on individual need. The above example may be too little or too much depending on the individual.
Other than that, you mentioned 5-6 meals 2-3 hrs apart. And of course exercise, primarily weight bearing. You'd be amazed at what putting on some muscle will do for fat burning.