Cheese blintzes filling;
if your recipe calls for milk in the cheese filling rip it up, and get yourself a better recipe.
its a kler if men are allowed to cook or it goes into the geder of lo silbash, lichorah we can be mechalek
if it ends up with good food it might be problematic, but if it ends up in the halacha thread there is nothing to be choshesh.
I once heard a good joke,
why do we see todays day in age girls learn rambam and boys master the kitchen?
pshat iz, there is a segulah to serve a fleishig meal by the bris so the baby will turn out to be a Grousa talmud chuchum.
todays day in age we find many milchig brisim anf fleishig kidushim, so everything is flipped on its head.