- 3 tablespoons butter
- 1 clove garlic, minced
- 2 teaspoons all-purpose flour
- 1 teaspoon mustard powder
- 1 teaspoon garlic powder
- 1 teaspoon Worcestershire sauce
- salt and ground black pepper to taste
- 3 cups half-and-half
- 8 ounces processed cheese (such as Velveeta®)
- 1/2 cup shredded Parmesan cheese
- 1/2 cup shredded Cheddar cheese
- 1 pound cooked elbow macaroni
- Melt butter in a large saucepan over medium-low heat. Add garlic; cook until fragrant. Stir in flour, mustard powder, garlic powder, Worcestershire powder, salt, and black pepper. Whisk in half-and-half. Simmer, stirring constantly, until sauce thickens, about 5 minutes. Add processed cheese, Parmesan cheese, and Cheddar cheese; stir until melted.
- Pour cheese sauce over cooked pasta; stir well to combine.