Melt butter in large pan

Add cut up chicken pieces

Cook over medium heat until tender

Add mushrooms cook for 5 minutes

Add pepper and onions cook until soft

Bring to boil reduce the heat

Add water and bullion cubes,tomato sauce,heavy crean and all the spices

Simmer for 20 minutes

In a small bowl mix corn starch with 2 tbls. water

Add to sauce mix well

Stir until thickend

Add cooked rigatoni to sauce