When frying foods such as scrambled eggs, pancakes, etc, I always put the butter in the hot pan before adding the food. However, I've noticed recently a few chefs saying that putting the butter directly in the mix helps to keep it from sticking. For example, was watching a Nigella programme the other night and she put a big slab of butter right into her pancake mix saying it would keep them from sticking. Gordon Ramsey does the same thing with scrambled eggs. Does this actually work? And do you still need butter in the pan as well?