HOUSTON – To rinse or not to rinse: What do you do before you load your dirty dishes in the dishwasher? “I rinse my dishes and then wash them, and then sometimes put them in the dishwasher.” Helen Romero“I rinse my dishes,” another woman named Becky told consumer expert Amy Davis. We poured spaghetti sauce in a dish and baked it. We loaded all of the dishes in a dishwasher, along with a waterproof camera so you can see what happens. There was no trace of that spaghetti sauce or the dried cheese dip.