Simple Chicken Cacciatore

Yield:	4 Servings
Categories:	Chicken, Italian

2	tb	Vegetable oil
4		Skinless boneless chicken breast halves
		Salt and pepper to taste
1	md	Onion; sliced
16	oz	Spaghetti sauce; jar or homemade
8	oz	Spaghetti; freshly cooked
		Grated parmesan to taste
		Chopped fresh parsely