It's actually a wonder that this whole post isn't just empty bowl pictures like the one above. (coffeeandquinoa.com)
You can discourage this by waiting for your hamster to empty its bowl before adding more mix. (yourpethamster.com)
So, basically you don't have to wait or empty the bowl in this type of food processor, you can keep on feeding it the food items until you are done. (thethreelittlepiglets.com)