Trim chicken of excess fat and pat dry with a cloth or paper napkin.
Season chicken with; garlic, thyme, salt and pepper. You may let it marinate, if you have the time.
When ready to make, Pre-heat oven to 400 degrees. Place about 1 tablespoon or more of oil in a cast iron, or frying pan.
Add chicken to the pan and sear for about 3-4 minutes on each side or until slightly browned, it’s going to finish up browning in the oven. Set aside.
In the same pan, add garlic, onions, thyme, bay leaf and paprika, sauté for about a minute or two
Add, mustard and about 2 cups chicken broth or water, bring to ta boil. Let it simmer for about 2 minutes. Adjust for seasoning.
Place the chicken back in the cast iron on top of the thyme mustard sauce, followed by the potatoes and vegetables
Bake for about 35 -40 minutes until chicken is done and potatoes are tender
Remove from oven let it cool before serving. You may garnish with parsley.