Money / hastle saving tip

I make quite a few things that require a few breadcrumbs - meatballs, burgers, cripsy toppings for cauliflower cheese - you know the sort.  For a while, I used to crush cream crackers, but then I had an even better idea.  When it came to the end of a loaf of bread, I blitzed it in the blender until fine, placed into a takeaway plastic container and popped into the freezer and hey presto - whenever I need a few, I have a ready supply! Simple and obvious. But I hadn't thought of it until recently so thought I would share...