Greek Chicken and Potatoes

3 -4 chicken leg quarters 5 -6 large idaho potatoes , quartered 2 -3 lemons 1/2 bunch fresh parsley , finely chopped 3 tablespoons Dijon mustard 4 -5 garlic[...]

1/3 cup flour 3 1/2 lbs chicken pieces 2 tablespoons olive oil 2 medium white onions, chopped 2 garlic cloves , minced 1 (28 ounce) can diced tomatoes , with[...]