Chicken with tenders

1/2 cup white pearl onion (chopped, buy them frozen, it's so much easier) 1/2 cup baby carrots (sliced into pieces) 2 celery ribs (chopped into slices) 1/2[...]

6 medium celery ribs , trimmed 4 medium carrots , peeled and trimmed 1/2 head green cabbage 3 medium shallots , peeled, halved, and thinly sliced 1/4 cup red[...]

2 halves bone in split halves with skin chicken breasts 1 onion , chopped 2 -3 celery ribs , chopped 2 tablespoons dried parsley 2 teaspoons salt 1 (10 ounce)[...]

3 tablespoons olive oil (divided) 6 boneless skinless chicken breasts salt & fresh ground pepper 4 ounces white button mushrooms , wiped clean and sliced[...]