Whole wheat pasta with healthy chicken sauce

2 cups uncooked whole wheat pasta
2 cups chicken stock
4 boneless skinless chicken thighs cut to bite size pieces
2 cups mushrooms chopped
1/2 onion chopped
4 cloves garlic chopped
1 tbsp butter
1/2 tsp crushed red pepper
1 tsp paprika
1 tsp butter
2 tsp pepper
2 tbsp cornstarch
2 tbsp cold water

While pasta is boiling combine chicken, mushrooms, paprika, crushed pepper, salt, pepper and butter. When chicken is almost done add onions & garlic. Cook for about 5 minutes. Add chicken stock & bring to a boil. Mix cornstarch and cold water in cup and add slowly to chicken. Reduce heat to low to let thicken. (If sauce doesn't thicken add more cornstarch and cold water a tbsp at a time). Drain pasta and add to sauce. Serve and enjoy.