Into the skillet add 2 tablespoons of butter, once butter melts add onion and saute on medium heat for about 10 minutes, stirring few times, or until golden color.
Next add the rest of the butter (2 tablespoons), shiitake mushrooms, ½ teaspoon of salt and 1 teaspoon of sugar. Mix and saute for 5 minutes, or until mushrooms are cooked thru, mixing few times. Remove from the heat and set aside.
How to Make Burgers
Using a greased grill or a greased skillet, toast buns until crispy. Remove the buns and set them aside, open faced.
After, grease the grill or skillet with a little bit of oil or melted butter, add patties and cook on both sides until desired burger done temperature is reached. While grilling/cooking, season patties with Montreal steak spice to taste, on both sides.
Next, add sliced American cheese on top of the hot patties.
How to Assemble a Burger
1. To assemble a burger, squeeze mayo and sriracha sauce over both toasted buns, spread with butter knife. 2. Place 2 patties with melted cheese on the bottom bun, followed by sliced red onion, tomato slice, green lettuce leaf, caramelized onion with mushrooms and top it off with the top bun. 3. Pierce the burger with a syringe filled with nacho cheese. Press the nacho cheese into the burger and enjoy!
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Notes
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