Your diet is still hi in carbs to induce a fat burning process. There are hidden carbs in yogurt, nuts and skimmed milk.
To induce fat burning, you have to temporarily reduce more carbs.
Try to do without starches for at least a month. Eat only vegetables as source of carbs.
In order to force your body to use fat as energy, you really have to limit your carb intake to a bare minimum.
Remember to increase your oil intake. You need to eat fat to burn fat.