Buy a pizza steel, better than a stone. Under one of the links here on reddit. I spent $50 for a 16x16 steel.
https://www.amazon.com/dp/B081Z3FKQM?psc=1&ref=ppx_yo2ov_dt_b_product_details
This is the one I bought https://www.amazon.com/dp/B081Z3FKQM?psc=1&ref=ppx_yo2_dt_b_product_details
I have no relation to the company/manufacturer or anything but I liked this one because I just did a quick finish myself (just how you would a cast iron pan) and saved some money.