Have you tried The GERMAN BEET TREATS? (no affiliation)
My horses, all of them, love these. LOVE THESE! I feel better giving these treats because they look to be healthier and don’t appear to be totally sugar based. The bag may seem like a small amount for the price, but the cookies are softish and quite large, so I break them in half.
For me, I have them on order with Chewy to arrive every 2 weeks. I get these and it feels fairly affordable (under $10).
Again, I have no affiliation, I just like these treats for my horses (I usually like beet based treats like Beet-e-bites and any other natural, homemade beet treats) and thought you might not be aware of them.