No. Larousse does not offer legal free PDFs. However, they sometimes offer sample chapters (20-30 pages) via email newsletter sign-ups.
You can access or download the full text from the following sources: Digital Libraries & Archives Internet Archive larousse gastronomique espa%C3%B1ol pdf
Elena touched the damp cover of the book. "A ghost," she said. "And a broken PDF." larousse gastronomique espa%C3%B1ol pdf