Quote Originally Posted by kitten645 View Post
I would just point her in a different direction and just say "I'm really picky about my food and I'd prefer to do this myself. Can you ...do laundry, buy groceries, clean the bathroom, etc" Maybe a list of chores for everyone? Boundries are always good.
I like this approach. Or say you have a house rule that guests do not help in the kitchen. But she can help in other areas of the house.