Also, different brands of nut or seed butter yield slightly different results, you can adjust as needed adding more nut butter or flakes until the mixture holds together nicely. (101cookbooks.com)
I wouldn't recommend substituting all of the eggs in a recipe with nut or seed butters, but you could substitute 1 or even 2. (thepaleomom.com)
You may also be able to substitute other nut or seed butters for the peanut butter. (carolinekaufman.com)