Cook pasta per the instruction on the packaging. Rinse cooked pasta in cold water (optional); set aside.
Add the half and half to a small cooking pot and bring just to a boil, stirring occasionally.
Remove from the heat. Add in the cayenne, onion powder, garlic powder, salt and mustard powder and stir until combined.
Add in the sharp cheddar cheese and stir until combined and the cheese is melted.
Add cheese sauce to the pasta and toss to combine.
Serve hot.
