Chicken in Vinegar Sauce

This classic chicken recipe is very good.
The taste of the sauce is simply mindblowing.
You will love this dish, and will definitely
be making this again and again.
The sauce is fantastic over potatoes.

Ingredients:
4 tablespoons unsalted butter
1 tablespoon extra-virgin olive oil
4 garlic cloves, unpeeled
One 3 3/4 pound chicken, cut into 10 pieces
Kosher salt and freshly ground pepper
1/2 cup red wine vinegar
2 medium tomatoes, seeded and cut into 1/2-inch dice
2 tablespoons chopped flat-leaf parsley

Directions:
In a large, deep skillet, melt 2 tablespoons
of the butter in the olive oil. Add the garlic.
Season the chicken with salt and pepper and add to the skillet.
Cook over moderately high heat until lightly browned all over.
Add the vinegar and tomatoes and bring to a simmer.
Cover and simmer over moderately low heat until the
chicken is cooked through, about 15 minutes.
Transfer the chicken to a platter and keep warm.
Boil the sauce over moderately high heat
until slightly thickened,
about 4 minutes. Remove from the heat.
Peel the garlic cloves and mash them into the sauce.
Whisk in the remaining 2 tablespoons
of butter and stir in the parsley;
season with salt and pepper.
Pour the sauce over the chicken and serve.