How 'bout expanding your table fare to include other species if you can't seem to catch any small walleye?  Not a lecture, just a question. 

The only time I am going to eat a walleye over 3-3.5 lb is if (s)he is not going to survive the landing/dehooking.  Walleye and lakers are by far my preferred forage though I do like to limit my impact on the brood stock as much as I can.  But that's my personal preference.  As Wally will tell you, you can keep anything and everything you wish that's within the legal limits.

Bass and Pike are very tasty from clean lakes.  Learning to remove the y-bones from pike is a valuable skill though it can just as easily be done as you eat it if you know the trick to exposing them.  In my mind, pike from these waters are every bit as tasty as walleye and I challenge anyone to tell the difference in a blind taste test. I cook them exactly as I would a walleye.

Here is how to de-bone a pike as you eat it.  I've been doing it this way for 40+ years and you'll be an expert after just a fillet or two:

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Bass are essentially overgrown panfish.  If you keep the size reasonably small on the bass (usually not a problem on most any lake  :D ) it's almost identical to eating crappie.  Very tasty bronzed or breaded.

Again, not a lecture, just hoping to broaden your gustatory horizons.