
It is difficult to find a square glass for baking cakes. We don't need cast iron or any other heavy material because it will affect the cooking time. At $20, it was reasonably priced and early indications are that it's working well.

300PCS Pre-Cut Unbleached Parchment Paper Sheets - Perfect For Baking, Grilling, Air Fryer & Steaming!
36 Review

100-Pack Of Disposable 18-Inch Piping Bags For Cake, Cupcake, And Cookie Decorating - Perfect For Icing And Frosting!
41 Review

SMARTAKE Non-Stick Parchment Paper Roll, 13 In X 164 Ft (177 Sq. Ft) For Baking, Cooking, Air Fryer, Steamer, Kitchen, Cookies, Bread, And More - White Baking Pan Liner
41 Review

AmazonBasics Silicone Baking Mat Sheet
48 Review