Created by amafor3 on January 7, 2012
Step 1: Preheat oven to 400ºF.
Step 2: In a large pan prepare macaroni and cheese dinner according to package directions omitting the butter.
Step 3: Meanwhile, in a large nonstick skillet add the lean ground beef and cook on medium-high heat. Drain well and add the tomatoes and oregano mixing well to combine. Bring ground beef mixture to a boil.
Step 4: Add the ground beef to the macaroni and cheese, stir carefully. Spoon mixture into a 9-inch square baking dish and sprinkle the cheddar cheese over top. Bake for 10 minutes or until cheese is melted and the casserole is heated through.