For the Soup

• 1 tablespoon olive oil
• 1 pound Italian sausage casings removed
• 1 medium onion diced
• 1 medium green bell pepper diced
• 2 cloves garlic finely diced
• 1 teaspoon dried oregano
• ½ teaspoon dried basil
• ½ teaspoon dried marjoram
• 1 can crushed tomatoes 14 oz / 400g
• 1 cup tomato sauce
• 1 teaspoon sugar
• 4 oz pepperoni quartered
• 4 cups chicken stock
• 6-8 fresh basil leaves
• 4 oz mozzarella cheese grated
• Salt and freshly ground black pepper to taste