01 - Bring a large pot of salted water to a boil. Cook elbow macaroni until al dente following package guidance. Drain thoroughly using a colander and return pasta to the pot.
02 - Combine cottage cheese, milk, garlic powder, mustard powder, salt, and pepper in a blender or with an immersion blender. Process until smooth and creamy.
03 - Pour blended cheese sauce over hot cooked pasta. Add shredded cheddar cheese.
04 - Place the pot over low heat and stir consistently with a wooden spoon or spatula for 2 to 3 minutes, until cheddar is fully melted and sauce thickens.
05 - Divide between serving bowls and present hot.