I haven't been taking screenshots because I thought it might sort itself out, but on several ovens, I will make food and then not gain any EXP from the recipe and I'll only notice after several days when I don't make any noticeable progress in the recipe level (usually once I am halfway through level 4). Does this happen to anyone else??
In the end, it's not a big deal, but that's how I determine which appliances I switch out for different goals and seasons.
I'm on Android 7.0 for reference.