Place macaroni noodles into Microwave Pasta Maker. Add salt and 6 cups water. Microwave 10 minutes uncovered, or until pasta is al dente.
2
Grate the cheese
Meanwhile, assemble Grate Master® Shredder Accessory with coarse grater cone. Place a medium bowl underneath and grate cheddar and parmesan cheese.
3
Toss and serve
Drain pasta and place in a large bowl. Add grated cheese, heavy cream, butter and dry mustard, if using. Stir until butter and cheese are melted. Serve warm.
