Step 1

Melt the butter in a 10" skillet over medium-high heat. Add the onion and cook for about three minutes.

Step 2

Add the ground beef and cook until done. Drain off the fat.

Step 3

Add salt, pepper, sugar, Worcestershire sauce, tomatoes, water and macaroni; stir. Cover and simmer for 15 minutes, stirring occasionally.

Step 4

Remove the lid and continue cooking until mixture is thick and macaroni is tender.