let me teach u..hahaha..
Step1
Put minced scallions and chopped mushrooms in bowl.
Step2
Add red wine vinegar.
Step3
Add ground beef to bowl.
Step4
Mix everything together with your hands.
Step5
Flatten the beef into four patties that are 1/2-inch thick and 5 inches in diameter.
Cook Patties
Step1
Set stove-top grill or burner to medium-high.
Step2
Preheat nonstick frying pan. The pan is the correct temperature when a drop of water dances on its surface rather than sticking to it.
Step3
Place patties in the pan and cook for 2 to 3 minutes.
Step4
Flip patties and cook for another minute, and then add sliced cheese to the tops of patties if desired.
Step5
Cover pan and allow burgers to cook for a final 2 minutes. Cook 3 to 4 minutes for well-done burgers.
Step6
Remove hamburgers from pan and place in hamburger buns.
Step7
Add condiments and toppings such as ketchup, mustard, sliced tomatoes, lettuce, red onions and pickles.
keng ne..