1 lb. ground beef
1/2 tsp. salt
1/2 tsp. oregano
2 tbsp. onion, minced
1 (6 oz.) tomato paste
1 can refrigerator crescent roll
4 slices or 1 pkg. shredded Mozzarella cheese

Preheat oven to 375 degrees. Brown ground beef in a skillet over medium heat and drain fat from meat. Add the oregano, salt, onion and mix well.