Butter paper isa non-sticky cellulose-based paper that is used in baking as a disposable non-stick surface. Also known as bakery paper, baking paper or grease-proof paper, it is smooth, heat resistant, non-stick and has very low water absorption.Parchment paper, baking paper, or bakery release paper is cellulose-based paper that has been treated or coated to make it non-stick. It is used in baking as a disposable non-stick surface. It should not be confused with wax paper or waxed paper, which is paper that has been coated in wax.A common use is to eliminate the need to grease sheet pans and the like, allowing very rapid turn-around of batches of baked goods. Parchment paper is also used to cook en papillote, a technique where food is steamed or cooked within closed pouches made from parchment paper.
Bakery paper can be used in most applications that call for wax paper as a non-stick surface. The reverse is not true, as using wax paper will cause smoke in the oven and affect taste.