Marie named the price - a bit high, but her supplies were high these days. "It is nice of you to do so. And thank you for your patronage - if you ever need a special order for your wife, you are welcome to come and make one in the morning and pick it up after you are finished work."
She added, as she handed the bag over "Though if it requires some special ingredients, you might have to provide them..."
Doubtlessly he had access to better rations, being a German solider. And if he provided more than his special order would require, more the better.
She gave him an innocent old woman's smile, hoping he hadn't taken offense to her offer.