This might be biased because a "secret recipe" doesn't hold very much of its secret in the ingredients or instructions (all chocolate chip cookie recipes are qu

This might be biased because a "secret recipe" doesn't hold very much of its secret in the ingredients or instructions (all chocolate chip cookie recipes are quite similar) but the little tricks. Adding a bit of something, or the timings of certain steps might be undocumented and make the secret recipe better than the famous one.