Meanwhile, at the cottage, Rosalind and Skye attempt to bake cookies for Jeffrey, but when Cagney comes over with the Fimbriata, Rosalind goes to help him, leaving Skye in charge of the cookies. Skye sets the oven to "broil" and goes upstairs, letting the cookies burn.
The passage describes a situation where Rosalind and Skye are baking cookies for Jeffrey at a cottage.  Cagney's arrival with the Fimbriata disrupts their plans, leading to Rosalind leaving to help him. Skye is left in charge of the cookies, which she accidentally burns by setting the oven to broil.