Italian Spaghetti Bake

Ingredients

• 2 packages (one 16 ounces, one 8 ounces) spaghetti
• 1-1/2 pounds ground beef
• 1 large green pepper, chopped
• 1 medium onion, chopped
• 2 cans (15 ounces each) tomato sauce
• 1 package (8 ounces) sliced pepperoni
• 1 can (8 ounces) mushroom stems and pieces, drained
• 1 can (3.8 ounces) sliced ripe olives, drained
• 1/2 teaspoon dried basil
• 1/2 teaspoon dried oregano
• 1/4 teaspoon garlic salt
• 1/4 teaspoon pepper
• 4 cups shredded part-skim mozzarella cheese
• 1/2 cup grated Parmesan cheese