THere were onions cut into a potato kugel that may have been cut with fleishige utensils. The kugel was putinto a milchige oven to cook. We realized quickly that there was a mistake and shut the oven. The element and fire were not given enough time to heat up the food to yad soledes and everything remained raw.
What is the status of the oven, and the raw mixture at this time. Can the mixture be cooked at all or do we need to throw it out?
According to what you are describing, that the mixture did not reach yad soledes bo, then the oven didn’t effect it at all. Therefore the oven and mixture remain the way they were before- the oven milchig, the kugel fleishig.