Here in the Southern Living Test Kitchen, we've added just about everything you can think of to make macaroni and cheese—one of our all-time favorite and most popular sides—extra delicious. We've ...

Cover and cook on low for 10-15 min. Add broccoli florets and parmesan cheese and stir well. Cook uncovered until broccoli is cooked and remove from heat. After it stops boiling, add cheddar ...