The phrase "moderate oven" means to set the oven to a medium temperature that is not too high or too low.
Sentences with «moderate oven»
Bake in moderate oven for about 45 minutes or until set. (ericbakker.com)
Bake for 15 minutes in moderate oven, until golden brown. (luzalmond.com)
I found that the best way to do this was to either put them on a sheet of aluminum foil atop a baking sheet and put them in either a toaster oven on high or a preheated moderate oven for about a minute. (cakespy.com)