The best baked pumpkin

Name: The best baked pumpkin
Ingredients: 1 pumpkin (about 1 kg); 2 cloves of garlic, peeled; olive oil; 1 red onion, peeled and finely chopped; a small handful of black olives, stoned and chopped; 2 sprigs of fresh rosemary, leaves finely chopped; 1 dried chilli; sea salt and freshly ground black pepper; ½ teaspoon ground nutmeg; ½ teaspoon ground cinnamon; 50g basmati rice, washed and drained; 75g dried cranberries; 50g shelled pistachio nuts; zest of 1 tangerine; 200ml organic vegetable stock