Grate the cheddar and Gouda cheeses
Cook the elbow macaroni al dente
Make the topping by melting butter, adding garlic, panko breadcrumbs, salt, pepper, paprika, and cayenne
Make the sauce by sautéing onions and garlic in butter, then adding milk, sodium citrate, black pepper, and slowly whisking in the grated cheeses
Blend the sauce with a stick blender and add cream and butter
Combine the cooked pasta and sauce, then top with the prepared breadcrumb topping
