Easy Beef with steak

1 1/2 lbs boneless beef cubes , lean 3 large russet potatoes , peeled and quartered (or six chunks) 1 lb carrot , peeled and chunked 1/2 large onion , peeled[...]

2 cups chopped onions 2 garlic cloves , minced 2 tablespoons butter or 2 tablespoons margarine 2 lbs boneless round steak , trimmed of fat and cubed reserved[...]