Prep vegetables –slice onions into ½” slices, peel and cut carrots into 1” slices, cut celery into ½” pieces, and slice garlic.
2 medium onions, 3 carrots, 3 celery stalks, 6 cloves garlic
Season the chicken with Black Garlic Seasoning, onion powder, salt, and pepper.
6 chicken quarters, 1 tsp Black Garlic Seasoning, 1 tsp onion powder, 2 tsp kosher salt, 1/2 tsp black pepper
Preheat oven to 350°F/175⁰C.
Add two tablespoons of the butter, along with the olive oil to the skillet or Dutch oven over medium heat. Once butter is foamy, add chicken to pan skin side down, cover and cook 3-4 minutes, until the chicken is nicely browned. Flip chicken, cover and cook another 3-4minutes, then remove from pan and set aside.
4 tbsp butter, 2 tbsp olive oil, 6 chicken quarters
Turn the temperature up to medium-high and add the onions, carrots, and celery. Cook for approximately 5 minutes, stirring often, until the vegetables begin to caramelize. Add in the garlic, stirring for 30 seconds, until fragrant.
2 medium onions, 3 carrots, 3 celery stalks, 6 cloves garlic
Add the rest of the butter to the vegetables and when melted, add in the flour. Stir constantly to fully incorporate the flour with the melted butter and vegetables. Cook for 2-3 minutes, until the flour turns a light brown and has a nutty aroma.
4 tbsp butter, 1/4 cup all-purpose flour
Pour in the chicken stock, stirring gently to combine. Remove from heat, then stir in the red wine vinegar. Nestle the chicken pieces back into the pan with the gravy and vegetables. Cover and bake for 2.5-3 hours.
3 cups chicken stock, 2 tbsp red wine vinegar
Remove from oven, garnish with freshly chopped parsley. Serve with mashed potatoes or jasmine rice, if desired.
2 tbsp flat parsley