Here is something you need to know about the Negative Calorie Diet
Negative calorie foods should be eaten in their natural state.
If you cook a negative calorie food or if you add butter and other things to them, it will changes the caloric makeup of the food.
Now your negative calorie food become a positive calorie food.
A salad with ham, cheese, bacon bits, and lots of salad dressing is not just a salad...
You know!