Rick Stein Leek Cannelloni Recipe - British Recipes Book

Ingredients

• 3 large leeks, finely sliced
• 2 cloves garlic, minced
• 1 cup ricotta cheese
• 1/2 cup grated Parmesan cheese
• Salt and pepper, to taste
• 1 egg, beaten
• 12 cannelloni tubes
• 2 cups tomato passata
• 1 onion, finely chopped
• 1 tsp sugar
• 1/2 cup grated mozzarella cheese
• Olive oil