[Hiding the fact that she baked all these is an almost impossible task. The fact that she burnt most of them wasn't even the worst part about them. She seems to have mixed up the teaspoon and tablespoon measurements again. They were salty from the extra baking soda and table salt.
Because yes, he tried them. Even if it was just to eventually tell her what she'd done wrong--he always tried them. At least a bite. Before inconspicuously discarding them.