Another one of my pet peeves:
When my sim has a high cooking/baking skill level and 99.99% of the time they default to cooking microwaved meals. Then they suffer through and complain about how terrible to food was and they have a negative moodlet for hours. I wish the higher the skill level, the more they would default to cooking with the stove/oven. I just don't buy a microwave anymore.
Also, the grill... That also seems to be the default for my sims instead of their perfectly good kitchen. Now, luckily, the food can be very good coming off the grill. However, there seems to be a slight issue with catching on fire. If the grill didn't cause death as easily, I would enjoy them more.