Italian Beef Patties With Balsamic Cream Sauce - cooking recipe

Ingredients

1 lb ground round
1 cup freshly grated parmesan cheese
2 egg yolks
salt & fresh ground pepper
2 tablespoons butter
1/4 onion, thinly sliced
1 tablespoon olive oil
1 tablespoon butter
1/2 cup heavy cream
1 tablespoon balsamic vinegar

Preparation

In a medium bowl, mix together beef, cheese, egg yolks, salt and pepper and form into 6 patties.
Heat 2 tbls butter in a heavy skillet over medium high heat, brown patties on both sides, reduce heat to medium and cook until juices are pink.
Remove patties and cover with foil.
Add oil, 1 tbls butter and onion to the pan and cook over medium heat until onion is golden brown.
Add cream and vinegar and cook on low 2 minutes.
Pour sauce over patties and serve.