Low calorie small meals

I have recently been informed by my dietics consultant that due to recent illness I need to eat 5-6 small meals a day in order to maintain a steady energy level to fight my fatigue. They did not give me any help as to what kind of meals to have though! They just said variety is the key but not to eat more than 1500 calories very often as this is the amount i need to maintain weight.

I'm worried that eating this often could spell disaster and leave me getting heavy again. I am prone to putting on weight very easily so it's a scary thought!

Does anyone have any tips on what foods/meals i could prepare that are small enough to stomach 5-6 times a day but dont have me exceeding 1500 calories??? I want to be able to get a balance of recipes and meals so that getting to grips with the 5-6 times a day is easier.