Preheat oven to 350'
Skin Chicken and place in a deep casserole dish (you may need 2 casserole dishes)
Randomly place mushrooms, onions and artichokes on and around the chicken
Sprinkle salt and pepper on chicken and vegetables
In a large mixing bowl, combine diced tomatoes (with juice), minced garlic, onion soup mix, Italian dressing and oregano
Mix well and carefully pour over chicken and vegetables
Bake at 350' (uncovered) for 1 hour and 30 minutes
Remove from oven and let sit for 5 minutes
Serve over white rice and ENJOY!