Egg is the top-ranked Flaxseed substitute for Cookies, chosen for how well it preserves Cookies's structure, moisture, and flavor. 1 options are ranked on this page by Cookies-specific applicability.
Flaxseed plays a specific role in Cookies — structure, rise, moisture, or flavor — and substitutes that miss the role relevant to Cookies rank lower here than they might elsewhere. The list above is tuned to Cookies, not to generic baking or cooking.
Start with the listed ratio but watch for Cookies-specific warnings below each card — some subs need a moisture tweak, heat adjustment, or companion ingredient to work in Cookies. Taste a small batch before committing.