SHIITAKE MUSHROOM BURGER30 mins prepServes 1You haven’t tried anything yet if you haven’t tried this delicious Shiitake Mushroom Burger! I blended dried shiitake mushrooms and used that as the prime seasoning for the beef. This will give the burger such a delicious umami flavor.US standardMetric-1 servings+SharePrintWhat you need1 tsp garlic powder1 tsp onion powder3 tbsp unsalted butter1 black peppercorn1 lb mushroom1 yellow onion1 garlic2 lb ground beef3 tbsp worcestershire sauce1 shredded cheddar1 saltCheckout experienceCheckout experienceInstacartCheckout experienceInstacartShop ingredientsInstructionsView original recipe