Prepare all of the ingredients. Start water boiling for pasta.
In a large saute pan over medium-high heat, add oil, sausage, salt, pepper, garlic powder and paprika. Let cook for 5 minutes, stirring occasionally, then add peppers. Reduce heat to medium and cook for same amount of time as pasta. Add pasta to boiling water and cook as directed on package.
In a saucepan over medium heat, melt butter and add salt and garlic powder. Whisk in flour and cook for 2 minutes, stirring often. Still whisking, pour in lager and continue to stir for 2 more minutes. Whisk in heavy cream and cook another 3 minutes then add cheese by the handful, stirring to incorporate each time.
Once pasta is done, drain and rinse with cool water to arrest cooking process. Return to pot and pour Beer Cheese Sauce over top and half of parsley. Combine until pasta is thoroughly coated.
Plating Notes: In a shallow bowl, fill bottom with a portion of pasta.Top one half of bowl with sausage and pepper mixture and garnish with remaining parsley.