"I have complete confidence in you," Steve countered her doubt with encouragement. It took more courage to try after failure than to admit defeat and say you weren't any good at something. That's why she couldn't be allowed to quit.
"Leave it to me," Steve told her as he started to grab for used dishes first. Placing them in a nearby sink, it helped clear some room for any other dishes she may need to put aside. Then there was the task of discarding food that had been rejected for their breakfast. He immediately regretted getting the task, as it would be a blow to her confidence to see the overcooked or undercooked food being thrown away, but if he was in luck, he could toss it out while she was busy working on her current mission. It be hard to hide the sound of food being dropped into the trashcan, but he'd try his best.