Can you sub collagen protein for whey protein isolate in baking?
Referring to whey protein, not specifically whey protein isolate, Carolyn Ketchum writes as follows:  &quot;I do not recommend using collagen peptides or collagen protein powder as a replacement for why or egg white protein....the baked goods always become quite gummy and difficult to cook through.&quot;  Ultimate Guide to Keto Baking