1 Process The Dried Mushrooms In A Food Processor, Or A Clean Coffee Grinder (Grind Some Raw Rice To Clean Out Coffee Grinds), Until Ground Into A Powder. Remove Any Large Mushroom Pieces That Didn'T Grind Down, A Few Small Pieces Will Be Fine. 2 In A Large Bowl, Use Your Clean Hands To Gently Mix Together The Meat, Salt, Mushroom Powder, Black Pepper And Worcestershire Sauce. Mix Just Until Everything Is Mostly Combined, A Minute Or Two. Do Not Overwork The Meat Mixture Or It Will Become Tough And Meatloaf-Like. Shape The Meat Into 3-4 Patties, Using About A Quarter To A Third Of A Pound Per Patty, Creating A Slight Indentation At The Centers Of The Patties (This Will Help Keep The Patties Fairly Flat When They Cook, As The Sides Tend To Contract More Than The Center). 3 Prepare Your Grill For High, Direct Heat. While The Grill Is Heating Up, Heat A Large Saut