My guess is she doesn't actually specify who made the food, though I can't see the raws to check it. I want to doubt that he's so dense that he'd miss it if she said it clearly.
Furi-san is no longer kowaii...and everyone in her class realizes it! In fact, some of the girls appear ready for Furi to sweep them off their feet while the boys are lining up to score her cooking or help her out.