If you are a mushroom lover (like me), and want a robust mushroom flavor, use a full-flavored wild mushroom like morels or porcinis. Other mushrooms (crimini, portobello, shitake, or even button) will work, just make sure you remove the tough stems before chopping. From Cooking Pleasures magazine.

Ingredients

4 serv.

BURGERS
ground chuck↗1 1⁄2 lbs
soy sauce↗1 tablespoon
fresh ground pepper↗1 1⁄4 teaspoons
salt↗3⁄4 teaspoon
butter↗1 tablespoon
olive oil↗1 tablespoon
mushroom, finely chopped↗3⁄4 lb
garlic, minced↗2 tablespoons
green onion, sliced↗1⁄4 cup
Worcestershire sauce↗1 teaspoon
slices swiss cheese↗4
large hamburger buns with sesame seeds, split↗4
slices tomatoes↗4
MAYONNAISE↗
cup mayonnaise↗1⁄2
teaspoons soy sauce↗2
teaspoon Dijon mustard↗1

Step-by-step instructions

1
In a medium bowl, gently mix together the beef, soy sauce, 3/4 tsp of the pepper, 1/2 tsp of the salt.
2
Using generous 1/3 cup per patty, shape mixture into 8 (4 1/2-inch) patties 3/8 inch thick.
3
Refrigerate while preparing the stuffing.
4
Heat a large nonstick skillet over medium high heat until hot.
5
Add the butter and oil.
6
Heat until hot and butter is melted.
7
Add the mushrooms and cook for 2 min, stirring occasionally.
8
Add the garlic and cook for 8-10 min or until the mushrooms are browned and the liquid has evaporated.
9
Stir in the green onions, Worcestershire sauce, remaining 1/2 tsp pepper and remaining 1/4 tsp salt.
10
Let cool.
11
Mound about 1/2 cup of the stuffing in the center of 4 of the patties.
12
Cover with the remaining 4 patties, sealing the edges firmly by pressing together with your fingers.
13
Gently press the center of the burgers to eliminate mounding.
14
Heat the grill or grill pan to medium heat.
15
Grill for 5-6 minute.
16
Flip the burgers and grill for 5-6 min more, or until no longer pink in the center.
17
Top each burger with 1 slice of cheese, and grill for another min or so - until the cheese has melted.
18
Meanwhile, in a small bowl, whisk together all of the mayonnaise ingredients.
19
Place the buns on the grill, split side down, and grill for 30-60 sec or until lightly toasted.
20
Spread each bun with 2 Tbs of the mayonnaise.
21
Top with a burger and a tomato slice.

Source: food.com

Original recipe ↗

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