When it comes to baking, the term "baking chamber" is often used to refer to the enclosed space in which food is baked. However, there are several synonyms for this phrase that can help add variety and interest to your writing. One option is "oven," which is the most commonly used alternative. Another synonym is "broiler," which is typically used for high-heat cooking or browning. "Kiln" is another option, which is often used in the context of pottery or bread baking. Finally, "hearth" can also be used to refer to a baking chamber, particularly in the context of traditional wood-fired ovens.