Dr Becker's Real Food For Healthy Dogs & Cats: Simple Homemade Food

I’m not anything close to an expert in raw feeding, but you can add in veggies, some fruit, flax seed, and sardines. Dr Karen Becker has done extensive research on this and wrote a book with a bunch of recipes that are nutritionally complete. https://www.amazon.com/Beckers-Real-Food-Healthy-Dogs-ebook/dp/B07B3BDJW6