This is so easy to make it's almost like hamburger helper but so much better tasting!
Brown beef in butter in an iron skillet and add the onion. Brown slightly & pour off some of the grease.
Add tomatoes and noodles.
Cook until noodles are tender, adding some water if necessary.
Add corn & olives.
Turn into a 13x9-inch greased casserole.
Bake at 350 degrees, 40 minutes.