1.

Preheat oven to 350 degrees F (175 degrees C).

2.

In a large bowl, combine the beef, bread crumbs, onion, eggs, salt and pepper, and mix well.

Pat out meat mixture into a 14x18 inch rectangle on a piece of wax paper.

Spread cheese over the meat, leaving a 3/4 inch border around the edges.

Roll up jelly roll fashion to enclose the filling and form a pinwheel loaf.

Press beef in on both ends to enclose the cheese.

Place in a 10x15 inch baking dish.

3.

Bake in the preheated oven 1 hour, or until internal temperature reaches 160 degrees F (70 degrees C).