Cheesy Beef Mushroom w/ Caramelized Onion Panini

INGREDIENTS:
wheat bread
sirloin beef
soy sauce
salt and pepper
white onion
butter
canned sliced button mushrooms
cheese spread
lettuce


PROCEDURE:
Marinate beef in soy sauce, salt and pepper. Melt butter and saute beef slices until done. Saute mushrooms in butter. Set aside. Saute in butter sliced white onions until  caramelized. Set aside.

Grill bread in panini maker.

To assemble. Layer in bread beef slices, button mushrooms, caramelized onions, lettuce and topped with cheese spread. Cover with another sliced of grilled bread. Serve.