Pizza Loaf

Ingredients

• 1 long (1 lb.) loaf French bread or 4 Italian rolls
• butter or margarine, softened
• 1/2 c. grated Parmesan cheese
• 1 tsp. salt
• 1 1/2 Tbsp. minced onion
• 1/4 c. sliced olives (optional)
• 2 ripe tomatoes, thinly sliced
• 3/4 lb. ground beef
• 1/2 tsp. dried oregano leaves
• 1 1/2 tsp. pepper
• 1 1/2 (6oz.) cans tomato paste
• 8 slices cheese