1 lb. cold meat or Spam (ground up)
1 1/2 lb. ground beef
1 can pizza sauce (10 1/2 oz.) can
2 (4 oz.) pkg. Mozzarella cheese (shredded)
2 tsp. oregano

Mix well and spread on both the bottom and top of hamburger buns so they are open. Place on cookie sheets and bake at 375 degrees for 20 minutes or until done.