You must obtain the other ingredients listed in a recipe that was given to you and use your cooking skills in the kitchens to manufacture all the components from scratch in order to make the soups.
Then they'll ask you to deliver leather to the blonde sisters, I think. Just buy or craft all the items you can and then deliver them. The cowgirls will ask you to find a saddle in a place on the farm surrounded by carnivorous plants. It will be behind some bushes. And to be able to do "things" you must have the "charm" skill at level III (3).