I've done the same. I love mushroom soup. I love egg nog. I once tried to put the two together because I had run out of milk.
Now I'm not one to waste things, so I tried to finish it but could only stomach a few mouthfuls. Whatever unholy mixture that turned out to be needed to be buried a minimum of 10 feet deep in a lead container with warnings in every possible language to future generations to leave it the fuck alone.