Here are some Cantonese resources i've saved over the years. I hope some of them work out for you! If you have any suggestions, feel free to contact me with your suggestions!
: Something i've personally used to study/my recommendation
: Beginner Friendly!
Basic Cantonese: A Grammar and Workbook by Virgina Yip and Stephen Matthew
Toishanese (台山話) Textbook Audio
From Ben's Cantonese Practice Journal