Mushroom and Onion Hamburgers by the BBQ Pit Boys

Sick of those plain old grilled hamburgers? Try this butter sautéed mushrooms and onions burger made from fresh ground beef chuck. It's easy to do and makes for some real good eating, as shown by the BBQ Pit Boys. Print out the recipe here: http://bbqpitboys.com/recipes/mushroom-and-onion-hamburgers
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