Sure. Get a good straight edge...Mdf, ply etc....clamp it to the work leaving a smidge showing and, use a top bearing pattern bit.
Or, use the router table. Set the bit for a 16th or less cut and, bring the out feed fence forward to be flush with the cutter. Use a straight edge to insure it's flush.
Or, simply run the work on edge through the planer....if it's narrow enough. That's my go to method.
Edit...Stick beat me to it...I think. I can't read his pdf on this little kindle screen. But, I surely agree about using splines instead of dowels....or biscuits, for that matter.
'The true soldier fights not because he hates what is in front of him, but because he loves what is behind him.' G. K. Chesterton
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Last edited by Gene Howe; 09-01-2018 at 03:48 PM.