In a large sauce pan over medium high heat, add oil, onion and garlic. Let cook for 2 minutes then add chicken, salt, pepper and paprika. Cook for 5 minutes, stirring occasionally.
Add broth and pasta to pan. Bring just to a boil. Reduce heat to medium, cover with lid and cook for 15 minutes.
Stir in heavy cream, ground mustard and broccoli. Replace with lid and cook another 5 minutes.
Remove pan from heat, stir in cheese and replace lid. Let sit for 5 minutes before serving.
Keyword broccoli, cheddar, Cheesy Chicken, Chicken, easy dinner, one pot, one pot meal, Pasta