Onion Burgers - cooking recipe

Ingredients

2 teaspoons vegetable oil
2 cups chopped onions
1 lb ground round
1/4 teaspoon black pepper
1 large egg white, lightly beaten
1 teaspoon salt

Preparation

Heat oil in a 12-inch cast-iron skillet over medium-high heat.
Add onion and saute 10 minutes or until tender.
Spoon onion into a bowl and let cool.
Add beef, pepper, and egg white to onion, and stir well.
Divide beef mixture into 4 equal portions, shaping into 3/4-inch-thick patties.
Sprinkle salt evenly over surface of skillet.
Heat salt in skillet over high heat 2 minutes.
Add patties.
Cook 5 minutes on each side, or until done.