Ingredients

• 4-5 potatoes
• Olive oil
• Salt
• Black pepper
• 1/2 tsp sweet paprika
• 450 grams minced meat
• 1 onion
• 1/2 tsp oregano
• 250 g tomato passata
• Mozzarella cheese
• 1 large fennel bulb
• 1 green apple
• 3 sticks of celery
• Fennel leaves or parsley leaves
• 1/2 lemon
• 1/4 cup extra virgin olive oil
• 1/2 cup toasted walnuts