Straight from the back of the box of Mueller's enriched elbow macaroni. I got this recipe off a box of Muellers brand elbow macaroni. It is a little time consuming but well worth the effort. It is my favorite macaroni and cheese rec. Jan 21, I got this off the back of the Muellers pasta box and it is the best macaroni And cheese Ive ever made. The kids gobbled it up!.